diff --git a/biometrics/fingerprint/2.1/vts/functional/VtsHalBiometricsFingerprintV2_1TargetTest.cpp b/biometrics/fingerprint/2.1/vts/functional/VtsHalBiometricsFingerprintV2_1TargetTest.cpp
index 638af9f..a7f4031 100644
--- a/biometrics/fingerprint/2.1/vts/functional/VtsHalBiometricsFingerprintV2_1TargetTest.cpp
+++ b/biometrics/fingerprint/2.1/vts/functional/VtsHalBiometricsFingerprintV2_1TargetTest.cpp
@@ -16,12 +16,13 @@
 
 #define LOG_TAG "fingerprint_hidl_hal_test"
 
+#include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprint.h>
 #include <android/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprintClientCallback.h>
 #include <hidl/HidlSupport.h>
 #include <hidl/HidlTransportSupport.h>
-#include <VtsHalHidlTargetTestBase.h>
 
 #include <cinttypes>
 #include <future>
@@ -179,10 +180,23 @@
   std::promise<void> promise;
 };
 
+// Test environment for Fingerprint HIDL HAL.
+class FingerprintHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static FingerprintHidlEnvironment* Instance() {
+    static FingerprintHidlEnvironment* instance = new FingerprintHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IBiometricsFingerprint>(); }
+};
+
 class FingerprintHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    mService = ::testing::VtsHalHidlTargetTestBase::getService<IBiometricsFingerprint>();
+    mService = ::testing::VtsHalHidlTargetTestBase::getService<IBiometricsFingerprint>(
+        FingerprintHidlEnvironment::Instance()->getServiceName<IBiometricsFingerprint>());
     ASSERT_FALSE(mService == nullptr);
 
     // Create an active group
@@ -454,7 +468,9 @@
 }  // anonymous namespace
 
 int main(int argc, char **argv) {
+  ::testing::AddGlobalTestEnvironment(FingerprintHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  FingerprintHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   LOG(INFO) << "Test result = " << status;
   return status;
diff --git a/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp b/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
index 6c9aa18..b9f505d 100644
--- a/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
+++ b/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
@@ -25,6 +25,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <queue>
 
 using ::android::hardware::bluetooth::V1_0::IBluetoothHci;
@@ -126,6 +127,23 @@
   std::chrono::steady_clock::time_point start_time_;
 };
 
+// Test environment for Bluetooth HIDL HAL.
+class BluetoothHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static BluetoothHidlEnvironment* Instance() {
+    static BluetoothHidlEnvironment* instance = new BluetoothHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override {
+    registerTestService<IBluetoothHci>();
+  }
+
+ private:
+  BluetoothHidlEnvironment() {}
+};
+
 // The main test class for Bluetooth HIDL HAL.
 class BluetoothHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
@@ -251,15 +269,6 @@
   int max_sco_data_packets;
 };
 
-// A class for test environment setup (kept since this file is a template).
-class BluetoothHidlEnvironment : public ::testing::Environment {
- public:
-  virtual void SetUp() {}
-  virtual void TearDown() {}
-
- private:
-};
-
 // Receive and check status events until a COMMAND_COMPLETE is received.
 void BluetoothHidlTest::wait_for_command_complete_event(hidl_vec<uint8_t> cmd) {
   // Allow intermediate COMMAND_STATUS events
@@ -662,8 +671,9 @@
 }
 
 int main(int argc, char** argv) {
-  ::testing::AddGlobalTestEnvironment(new BluetoothHidlEnvironment);
+  ::testing::AddGlobalTestEnvironment(BluetoothHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  BluetoothHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   ALOGI("Test result = %d", status);
   return status;
diff --git a/cas/1.0/vts/functional/VtsHalCasV1_0TargetTest.cpp b/cas/1.0/vts/functional/VtsHalCasV1_0TargetTest.cpp
index d3b0f1d..1218307 100644
--- a/cas/1.0/vts/functional/VtsHalCasV1_0TargetTest.cpp
+++ b/cas/1.0/vts/functional/VtsHalCasV1_0TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "mediacas_hidl_hal_test"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/cas/1.0/ICas.h>
 #include <android/hardware/cas/1.0/ICasListener.h>
@@ -206,10 +207,23 @@
     EXPECT_TRUE(mEventData == eventData);
 }
 
+// Test environment for Cas HIDL HAL.
+class CasHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static CasHidlEnvironment* Instance() {
+        static CasHidlEnvironment* instance = new CasHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IMediaCasService>(); }
+};
+
 class MediaCasHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        mService = ::testing::VtsHalHidlTargetTestBase::getService<IMediaCasService>();
+        mService = ::testing::VtsHalHidlTargetTestBase::getService<IMediaCasService>(
+            CasHidlEnvironment::Instance()->getServiceName<IMediaCasService>());
         ASSERT_NE(mService, nullptr);
     }
 
@@ -616,7 +630,9 @@
 }  // anonymous namespace
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(CasHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    CasHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/configstore/1.0/vts/functional/VtsHalConfigstoreV1_0TargetTest.cpp b/configstore/1.0/vts/functional/VtsHalConfigstoreV1_0TargetTest.cpp
index e501580..a1676be 100644
--- a/configstore/1.0/vts/functional/VtsHalConfigstoreV1_0TargetTest.cpp
+++ b/configstore/1.0/vts/functional/VtsHalConfigstoreV1_0TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "ConfigstoreHidlHalTest"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.0/types.h>
@@ -34,13 +35,25 @@
 #define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk())
 #define EXPECT_OK(ret) EXPECT_TRUE(ret.isOk())
 
+// Test environment for Configstore HIDL HAL.
+class ConfigstoreHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static ConfigstoreHidlEnvironment* Instance() {
+        static ConfigstoreHidlEnvironment* instance = new ConfigstoreHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<ISurfaceFlingerConfigs>(); }
+};
+
 class ConfigstoreHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     sp<ISurfaceFlingerConfigs> sfConfigs;
 
     virtual void SetUp() override {
-        sfConfigs = ::testing::VtsHalHidlTargetTestBase::getService<
-            ISurfaceFlingerConfigs>();
+        sfConfigs = ::testing::VtsHalHidlTargetTestBase::getService<ISurfaceFlingerConfigs>(
+            ConfigstoreHidlEnvironment::Instance()->getServiceName<ISurfaceFlingerConfigs>());
         ASSERT_NE(sfConfigs, nullptr);
     }
 
@@ -119,7 +132,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(ConfigstoreHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    ConfigstoreHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/contexthub/1.0/vts/functional/VtsHalContexthubV1_0TargetTest.cpp b/contexthub/1.0/vts/functional/VtsHalContexthubV1_0TargetTest.cpp
index 5672824..7492152 100644
--- a/contexthub/1.0/vts/functional/VtsHalContexthubV1_0TargetTest.cpp
+++ b/contexthub/1.0/vts/functional/VtsHalContexthubV1_0TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "contexthub_hidl_hal_test"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/contexthub/1.0/IContexthub.h>
 #include <android/hardware/contexthub/1.0/IContexthubCallback.h>
@@ -92,12 +93,27 @@
   return hubIds;
 }
 
+// Test environment for Contexthub HIDL HAL.
+class ContexthubHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static ContexthubHidlEnvironment* Instance() {
+    static ContexthubHidlEnvironment* instance = new ContexthubHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IContexthub>(); }
+ private:
+  ContexthubHidlEnvironment() {}
+};
+
 // Base test fixture that initializes the HAL and makes the context hub API
 // handle available
 class ContexthubHidlTestBase : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    hubApi = ::testing::VtsHalHidlTargetTestBase::getService<IContexthub>();
+    hubApi = ::testing::VtsHalHidlTargetTestBase::getService<IContexthub>(
+        ContexthubHidlEnvironment::Instance()->getServiceName<IContexthub>());
     ASSERT_NE(hubApi, nullptr);
 
     // getHubs() must be called at least once for proper initialization of the
@@ -381,7 +397,11 @@
 } // anonymous namespace
 
 int main(int argc, char **argv) {
+  ::testing::AddGlobalTestEnvironment(ContexthubHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
+  ContexthubHidlEnvironment::Instance()->init(&argc, argv);
+  int status = RUN_ALL_TESTS();
+  ALOGI ("Test result = %d", status);
+  return status;
 }
 
diff --git a/dumpstate/1.0/vts/functional/VtsHalDumpstateV1_0TargetTest.cpp b/dumpstate/1.0/vts/functional/VtsHalDumpstateV1_0TargetTest.cpp
index 046bf56..20fa6d2 100644
--- a/dumpstate/1.0/vts/functional/VtsHalDumpstateV1_0TargetTest.cpp
+++ b/dumpstate/1.0/vts/functional/VtsHalDumpstateV1_0TargetTest.cpp
@@ -21,15 +21,29 @@
 #include <log/log.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::dumpstate::V1_0::IDumpstateDevice;
 using ::android::hardware::Return;
 using ::android::sp;
 
+// Test environment for Dumpstate HIDL HAL.
+class DumpstateHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static DumpstateHidlEnvironment* Instance() {
+        static DumpstateHidlEnvironment* instance = new DumpstateHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IDumpstateDevice>(); }
+};
+
 class DumpstateHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        dumpstate = ::testing::VtsHalHidlTargetTestBase::getService<IDumpstateDevice>();
+        dumpstate = ::testing::VtsHalHidlTargetTestBase::getService<IDumpstateDevice>(
+            DumpstateHidlEnvironment::Instance()->getServiceName<IDumpstateDevice>());
         ASSERT_NE(dumpstate, nullptr) << "Could not get HIDL instance";
     }
 
@@ -105,7 +119,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(DumpstateHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    DumpstateHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
     return status;
diff --git a/gatekeeper/1.0/vts/functional/VtsHalGatekeeperV1_0TargetTest.cpp b/gatekeeper/1.0/vts/functional/VtsHalGatekeeperV1_0TargetTest.cpp
index e9a44eb..715e9fc 100644
--- a/gatekeeper/1.0/vts/functional/VtsHalGatekeeperV1_0TargetTest.cpp
+++ b/gatekeeper/1.0/vts/functional/VtsHalGatekeeperV1_0TargetTest.cpp
@@ -33,6 +33,7 @@
 #include <log/log.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
@@ -77,6 +78,20 @@
   return auth_token;
 }
 
+// Test environment for Gatekeeper HIDL HAL.
+class GatekeeperHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static GatekeeperHidlEnvironment* Instance() {
+    static GatekeeperHidlEnvironment* instance = new GatekeeperHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IGatekeeper>(); }
+ private:
+  GatekeeperHidlEnvironment() {}
+};
+
 // The main test class for Gatekeeper HIDL HAL.
 class GatekeeperHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  protected:
@@ -189,7 +204,8 @@
   GatekeeperHidlTest() : uid_(0) {}
   virtual void SetUp() override {
     GatekeeperResponse rsp;
-    gatekeeper_ = ::testing::VtsHalHidlTargetTestBase::getService<IGatekeeper>();
+    gatekeeper_ = ::testing::VtsHalHidlTargetTestBase::getService<IGatekeeper>(
+        GatekeeperHidlEnvironment::Instance()->getServiceName<IGatekeeper>());
     ASSERT_NE(nullptr, gatekeeper_.get());
     doDeleteAllUsers(rsp);
   }
@@ -433,7 +449,9 @@
 }
 
 int main(int argc, char **argv) {
+  ::testing::AddGlobalTestEnvironment(GatekeeperHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  GatekeeperHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   ALOGI("Test result = %d", status);
   return status;
diff --git a/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp b/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp
index 91e75fe..8b3185d 100644
--- a/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp
+++ b/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp
@@ -19,6 +19,7 @@
 #include <log/log.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #include <chrono>
 #include <condition_variable>
@@ -41,6 +42,21 @@
 bool sAgpsIsPresent = false;  // if SUPL or XTRA assistance available
 bool sSignalIsWeak = false;   // if GNSS signals are weak (e.g. light indoor)
 
+// Test environment for GNSS HIDL HAL.
+class GnssHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static GnssHidlEnvironment* Instance() {
+    static GnssHidlEnvironment* instance = new GnssHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IGnss>(); }
+
+ private:
+  GnssHidlEnvironment() {}
+};
+
 // The main test class for GNSS HAL.
 class GnssHalTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
@@ -51,7 +67,8 @@
     info_called_count_ = 0;
     notify_count_ = 0;
 
-    gnss_hal_ = ::testing::VtsHalHidlTargetTestBase::getService<IGnss>();
+    gnss_hal_ = ::testing::VtsHalHidlTargetTestBase::getService<IGnss>(
+        GnssHidlEnvironment::Instance()->getServiceName<IGnss>());
     ASSERT_NE(gnss_hal_, nullptr);
 
     gnss_cb_ = new GnssCallback(*this);
@@ -449,17 +466,19 @@
 }
 
 int main(int argc, char** argv) {
+  ::testing::AddGlobalTestEnvironment(GnssHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  GnssHidlEnvironment::Instance()->init(&argc, argv);
   /*
    * These arguments not used by automated VTS testing.
    * Only for use in manual testing, when wanting to run
    * stronger tests that require the presence of GPS signal.
    */
   for (int i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-agps") == 0) {
-          sAgpsIsPresent = true;
-      } else if (strcmp(argv[i], "-weak") == 0) {
-          sSignalIsWeak = true;
+    if (strcmp(argv[i], "-agps") == 0) {
+        sAgpsIsPresent = true;
+    } else if (strcmp(argv[i], "-weak") == 0) {
+        sSignalIsWeak = true;
     }
   }
   int status = RUN_ALL_TESTS();
diff --git a/health/1.0/vts/functional/VtsHalHealthV1_0TargetTest.cpp b/health/1.0/vts/functional/VtsHalHealthV1_0TargetTest.cpp
index 324eb9f..335d15d 100644
--- a/health/1.0/vts/functional/VtsHalHealthV1_0TargetTest.cpp
+++ b/health/1.0/vts/functional/VtsHalHealthV1_0TargetTest.cpp
@@ -19,7 +19,9 @@
 #include <android/hardware/health/1.0/IHealth.h>
 #include <android/hardware/health/1.0/types.h>
 #include <log/log.h>
+
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using HealthConfig = ::android::hardware::health::V1_0::HealthConfig;
 using HealthInfo = ::android::hardware::health::V1_0::HealthInfo;
@@ -28,10 +30,25 @@
 
 using ::android::sp;
 
+// Test environment for Health HIDL HAL.
+class HealthHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static HealthHidlEnvironment* Instance() {
+        static HealthHidlEnvironment* instance = new HealthHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IHealth>(); }
+   private:
+    HealthHidlEnvironment() {}
+};
+
 class HealthHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        health = ::testing::VtsHalHidlTargetTestBase::getService<IHealth>();
+        health = ::testing::VtsHalHidlTargetTestBase::getService<IHealth>(
+            HealthHidlEnvironment::Instance()->getServiceName<IHealth>());
         ASSERT_NE(health, nullptr);
         health->init(config,
                      [&](const auto& halConfigOut) { config = halConfigOut; });
@@ -57,7 +74,9 @@
 }
 
 int main(int argc, char **argv) {
+    ::testing::AddGlobalTestEnvironment(HealthHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    HealthHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
     return status;
diff --git a/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp b/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp
index a017404..5fd2dd4 100644
--- a/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp
+++ b/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp
@@ -22,6 +22,7 @@
 #include <android/hardware/ir/1.0/types.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <algorithm>
 
 using ::android::hardware::ir::V1_0::IConsumerIr;
@@ -30,11 +31,26 @@
 using ::android::hardware::Return;
 using ::android::sp;
 
+// Test environment for Ir
+class ConsumerIrHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static ConsumerIrHidlEnvironment* Instance() {
+    static ConsumerIrHidlEnvironment* instance = new ConsumerIrHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IConsumerIr>(); }
+ private:
+  ConsumerIrHidlEnvironment() {}
+};
+
 // The main test class for IR HIDL HAL.
 class ConsumerIrHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    ir = ::testing::VtsHalHidlTargetTestBase::getService<IConsumerIr>();
+    ir = ::testing::VtsHalHidlTargetTestBase::getService<IConsumerIr>(
+      ConsumerIrHidlEnvironment::Instance()->getServiceName<IConsumerIr>());
     ASSERT_NE(ir, nullptr);
   }
 
@@ -77,7 +93,9 @@
 }
 
 int main(int argc, char **argv) {
+  ::testing::AddGlobalTestEnvironment(ConsumerIrHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  ConsumerIrHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   LOG(INFO) << "Test result = " << status;
   return status;
diff --git a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
index e7b222a..d5c006e 100644
--- a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -33,19 +33,14 @@
 #include "key_param_output.h"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #include "attestation_record.h"
 #include "openssl_utils.h"
 
 using ::android::sp;
-
 using ::std::string;
 
-// This service_name will be passed to getService when retrieving the keymaster service to test.  To
-// change it from "default" specify the selected service name on the command line.  The first
-// non-gtest argument will be used as the service name.
-string service_name = "default";
-
 static bool arm_deleteAllKeys = false;
 static bool dump_Attestations = false;
 
@@ -417,6 +412,20 @@
 
 }  // namespace
 
+// Test environment for Keymaster HIDL HAL.
+class KeymasterHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static KeymasterHidlEnvironment* Instance() {
+        static KeymasterHidlEnvironment* instance = new KeymasterHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IKeymasterDevice>(); }
+   private:
+    KeymasterHidlEnvironment() {}
+};
+
 class KeymasterHidlTest : public ::testing::VtsHalHidlTargetTestBase {
   public:
     void TearDown() override {
@@ -428,7 +437,8 @@
 
     // SetUpTestCase runs only once per test case, not once per test.
     static void SetUpTestCase() {
-        keymaster_ = IKeymasterDevice::getService(service_name);
+        keymaster_ = ::testing::VtsHalHidlTargetTestBase::getService<IKeymasterDevice>(
+            KeymasterHidlEnvironment::Instance()->getServiceName<IKeymasterDevice>());
         ASSERT_NE(keymaster_, nullptr);
 
         ASSERT_TRUE(
@@ -4190,8 +4200,10 @@
 }  // namespace android
 
 int main(int argc, char** argv) {
+    using android::hardware::keymaster::V3_0::test::KeymasterHidlEnvironment;
+    ::testing::AddGlobalTestEnvironment(KeymasterHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
-    std::vector<std::string> positional_args;
+    KeymasterHidlEnvironment::Instance()->init(&argc, argv);
     for (int i = 1; i < argc; ++i) {
         if (argv[i][0] == '-') {
             if (std::string(argv[i]) == "--arm_deleteAllKeys") {
@@ -4200,14 +4212,8 @@
             if (std::string(argv[i]) == "--dump_attestations") {
                 dump_Attestations = true;
             }
-        } else {
-            positional_args.push_back(argv[i]);
         }
     }
-    if (positional_args.size()) {
-        ALOGI("Running keymaster VTS against service \"%s\"", positional_args[0].c_str());
-        service_name = positional_args[0];
-    }
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
     return status;
diff --git a/light/2.0/vts/functional/VtsHalLightV2_0TargetTest.cpp b/light/2.0/vts/functional/VtsHalLightV2_0TargetTest.cpp
index 3405422..13290d9 100644
--- a/light/2.0/vts/functional/VtsHalLightV2_0TargetTest.cpp
+++ b/light/2.0/vts/functional/VtsHalLightV2_0TargetTest.cpp
@@ -16,12 +16,13 @@
 
 #define LOG_TAG "light_hidl_hal_test"
 
+#include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/light/2.0/ILight.h>
 #include <android/hardware/light/2.0/types.h>
-#include <VtsHalHidlTargetTestBase.h>
-#include <set>
 #include <unistd.h>
+#include <set>
 
 using ::android::hardware::light::V2_0::Brightness;
 using ::android::hardware::light::V2_0::Flash;
@@ -72,10 +73,25 @@
     Type::WIFI
 };
 
+// Test environment for Light HIDL HAL.
+class LightHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static LightHidlEnvironment* Instance() {
+        static LightHidlEnvironment* instance = new LightHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<ILight>(); }
+   private:
+    LightHidlEnvironment() {}
+};
+
 class LightHidlTest : public ::testing::VtsHalHidlTargetTestBase {
 public:
     virtual void SetUp() override {
-        light = ::testing::VtsHalHidlTargetTestBase::getService<ILight>();
+        light = ::testing::VtsHalHidlTargetTestBase::getService<ILight>(
+            LightHidlEnvironment::Instance()->getServiceName<ILight>());
 
         ASSERT_NE(light, nullptr);
         LOG(INFO) << "Test is remote " << light->isRemote();
@@ -149,7 +165,9 @@
 }
 
 int main(int argc, char **argv) {
+    ::testing::AddGlobalTestEnvironment(LightHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    LightHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
index 38cdcd6..42f9947 100644
--- a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
+++ b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
@@ -50,85 +50,6 @@
 #include <media_hidl_test_common.h>
 #include <fstream>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default"), res("/sdcard/media/") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    void setRes(const char* _res) { res = _res; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    const hidl_string getRes() const { return res; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {"res", required_argument, 0, 'P'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:P:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case 'P':
-                    setRes(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --role: OMX component Role\n"
-                    "-P, --res: Resource files directory location\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-    hidl_string res;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // audio decoder test fixture class
@@ -1220,6 +1141,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp
index 953dc75..d5f1f2d 100644
--- a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp
+++ b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp
@@ -50,85 +50,6 @@
 #include <media_hidl_test_common.h>
 #include <fstream>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default"), res("/sdcard/media/") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    void setRes(const char* _res) { res = _res; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    const hidl_string getRes() const { return res; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {"res", required_argument, 0, 'P'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:P:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case 'P':
-                    setRes(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --role: OMX component Role\n"
-                    "-P, --res: Resource files directory location\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-    hidl_string res;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // audio encoder test fixture class
@@ -562,6 +483,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/common/media_hidl_test_common.h b/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
index bec733d..c1863d5 100644
--- a/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
+++ b/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
@@ -21,6 +21,7 @@
 #define OMX_ANDROID_COMPILE_AS_32BIT_ON_64BIT_PLATFORMS
 #endif
 
+#include <getopt.h>
 #include <media/stagefright/foundation/ALooper.h>
 #include <utils/Condition.h>
 #include <utils/List.h>
@@ -33,6 +34,8 @@
 #include <media/openmax/OMX_AudioExt.h>
 #include <media/openmax/OMX_VideoExt.h>
 
+#include <VtsHalHidlTargetTestEnvBase.h>
+
 /* TIME OUTS (Wait time in dequeueMessage()) */
 
 /* As component is switching states (loaded<->idle<->execute), dequeueMessage()
@@ -355,4 +358,77 @@
              portreconfig fptr = nullptr, OMX_U32 kPortIndexInput = 0,
              OMX_U32 kPortIndexOutput = 1, void* args = nullptr);
 
+// A class for test environment setup
+class ComponentTestEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   private:
+    typedef ::testing::VtsHalHidlTargetTestEnvBase Super;
+
+   public:
+    virtual void registerTestServices() override { registerTestService<IOmx>(); }
+
+    ComponentTestEnvironment() : res("/sdcard/media/") {}
+
+    void setComponent(const char* _component) { component = _component; }
+
+    void setRole(const char* _role) { role = _role; }
+
+    void setRes(const char* _res) { res = _res; }
+
+    const hidl_string getInstance() { return Super::getServiceName<IOmx>(); }
+
+    const hidl_string getComponent() const { return component; }
+
+    const hidl_string getRole() const { return role; }
+
+    const hidl_string getRes() const { return res; }
+
+    int initFromOptions(int argc, char** argv) {
+        static struct option options[] = {{"component", required_argument, 0, 'C'},
+                                          {"role", required_argument, 0, 'R'},
+                                          {"res", required_argument, 0, 'P'},
+                                          {0, 0, 0, 0}};
+
+        while (true) {
+            int index = 0;
+            int c = getopt_long(argc, argv, "C:R:P:", options, &index);
+            if (c == -1) {
+                break;
+            }
+
+            switch (c) {
+                case 'C':
+                    setComponent(optarg);
+                    break;
+                case 'R':
+                    setRole(optarg);
+                    break;
+                case 'P':
+                    setRes(optarg);
+                    break;
+                case '?':
+                    break;
+            }
+        }
+
+        if (optind < argc) {
+            fprintf(stderr,
+                    "unrecognized option: %s\n\n"
+                    "usage: %s <gtest options> <test options>\n\n"
+                    "test options are:\n\n"
+                    "-C, --component: OMX component to test\n"
+                    "-R, --role: OMX component Role\n"
+                    "-P, --res: Resource files directory location\n",
+                    argv[optind ?: 1], argv[0]);
+            return 2;
+        }
+        return 0;
+    }
+
+   private:
+    hidl_string instance;
+    hidl_string component;
+    hidl_string role;
+    hidl_string res;
+};
+
 #endif  // MEDIA_HIDL_TEST_COMMON_H
diff --git a/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp b/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp
index d66136d..f7c8433 100644
--- a/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp
+++ b/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp
@@ -48,75 +48,6 @@
 #include <getopt.h>
 #include <media_hidl_test_common.h>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --Role: OMX component Role\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // generic component test fixture class
@@ -1321,6 +1252,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/master/VtsHalMediaOmxV1_0TargetMasterTest.cpp b/media/omx/1.0/vts/functional/master/VtsHalMediaOmxV1_0TargetMasterTest.cpp
index 5a31d69..64abe1c 100644
--- a/media/omx/1.0/vts/functional/master/VtsHalMediaOmxV1_0TargetMasterTest.cpp
+++ b/media/omx/1.0/vts/functional/master/VtsHalMediaOmxV1_0TargetMasterTest.cpp
@@ -50,54 +50,6 @@
 #include <getopt.h>
 #include <media_hidl_test_common.h>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'}, {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 class MasterHidlTest : public ::testing::VtsHalHidlTargetTestBase {
@@ -226,6 +178,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
index 9b74a33..48af091 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
@@ -51,85 +51,6 @@
 #include <media_video_hidl_test_common.h>
 #include <fstream>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default"), res("/sdcard/media/") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    void setRes(const char* _res) { res = _res; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    const hidl_string getRes() const { return res; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {"res", required_argument, 0, 'P'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:P:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case 'P':
-                    setRes(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --role: OMX component Role\n"
-                    "-P, --res: Resource files directory location\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-    hidl_string res;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // video decoder test fixture class
@@ -1488,6 +1409,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
index 099658f..2056d9e 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
@@ -64,85 +64,6 @@
 #include <system/window.h>
 #include <fstream>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default"), res("/sdcard/media/") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    void setRes(const char* _res) { res = _res; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    const hidl_string getRes() const { return res; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {"res", required_argument, 0, 'P'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:P:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case 'P':
-                    setRes(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --role: OMX component Role\n"
-                    "-P, --res: Resource files directory location\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-    hidl_string res;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // video encoder test fixture class
@@ -1580,6 +1501,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/nfc/1.0/vts/functional/VtsHalNfcV1_0TargetTest.cpp b/nfc/1.0/vts/functional/VtsHalNfcV1_0TargetTest.cpp
index 2f00fbb..e17c961 100644
--- a/nfc/1.0/vts/functional/VtsHalNfcV1_0TargetTest.cpp
+++ b/nfc/1.0/vts/functional/VtsHalNfcV1_0TargetTest.cpp
@@ -24,6 +24,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::nfc::V1_0::INfc;
 using ::android::hardware::nfc::V1_0::INfcClientCallback;
@@ -93,11 +94,26 @@
     };
 };
 
+// Test environment for Nfc HIDL HAL.
+class NfcHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static NfcHidlEnvironment* Instance() {
+    static NfcHidlEnvironment* instance = new NfcHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<INfc>(); }
+ private:
+  NfcHidlEnvironment() {}
+};
+
 // The main test class for NFC HIDL HAL.
 class NfcHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    nfc_ = ::testing::VtsHalHidlTargetTestBase::getService<INfc>();
+    nfc_ = ::testing::VtsHalHidlTargetTestBase::getService<INfc>(
+        NfcHidlEnvironment::Instance()->getServiceName<INfc>());
     ASSERT_NE(nfc_, nullptr);
 
     nfc_cb_ = new NfcClientCallback();
@@ -163,15 +179,6 @@
   sp<NfcClientCallback> nfc_cb_;
 };
 
-// A class for test environment setup (kept since this file is a template).
-class NfcHidlEnvironment : public ::testing::Environment {
- public:
-  virtual void SetUp() {}
-  virtual void TearDown() {}
-
- private:
-};
-
 /*
  * OpenAndClose:
  * Makes an open call, waits for NfcEvent.OPEN_CPLT
@@ -586,8 +593,9 @@
 }
 
 int main(int argc, char** argv) {
-  ::testing::AddGlobalTestEnvironment(new NfcHidlEnvironment);
+  ::testing::AddGlobalTestEnvironment(NfcHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  NfcHidlEnvironment::Instance()->init(&argc, argv);
 
   std::system("svc nfc disable"); /* Turn off NFC */
   sleep(5);
diff --git a/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp b/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp
index a5b40d4..bef412b 100644
--- a/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp
+++ b/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp
@@ -25,6 +25,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::nfc::V1_1::INfc;
 using ::android::hardware::nfc::V1_1::INfcClientCallback;
@@ -78,6 +79,20 @@
     };
 };
 
+// Test environment for Nfc HIDL HAL.
+class NfcHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static NfcHidlEnvironment* Instance() {
+        static NfcHidlEnvironment* instance = new NfcHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<INfc>(); }
+   private:
+    NfcHidlEnvironment() {}
+};
+
 // The main test class for NFC HIDL HAL.
 class NfcHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
@@ -127,15 +142,6 @@
     sp<NfcClientCallback> nfc_cb_;
 };
 
-// A class for test environment setup (kept since this file is a template).
-class NfcHidlEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-   private:
-};
-
 /*
  * factoryReset
  * calls factoryReset()
@@ -204,8 +210,9 @@
 }
 
 int main(int argc, char** argv) {
-    ::testing::AddGlobalTestEnvironment(new NfcHidlEnvironment);
+    ::testing::AddGlobalTestEnvironment(NfcHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    NfcHidlEnvironment::Instance()->init(&argc, argv);
 
     std::system("svc nfc disable"); /* Turn off NFC */
     sleep(5);
diff --git a/oemlock/1.0/vts/functional/VtsHalOemLockV1_0TargetTest.cpp b/oemlock/1.0/vts/functional/VtsHalOemLockV1_0TargetTest.cpp
index a924fec..05462a8 100644
--- a/oemlock/1.0/vts/functional/VtsHalOemLockV1_0TargetTest.cpp
+++ b/oemlock/1.0/vts/functional/VtsHalOemLockV1_0TargetTest.cpp
@@ -13,10 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 #include <android/hardware/oemlock/1.0/IOemLock.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::oemlock::V1_0::IOemLock;
 using ::android::hardware::oemlock::V1_0::OemLockStatus;
@@ -25,9 +25,22 @@
 using ::android::hardware::hidl_vec;
 using ::android::sp;
 
+// Test environment for OemLock HIDL HAL.
+class OemLockHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static OemLockHidlEnvironment* Instance() {
+        static OemLockHidlEnvironment* instance = new OemLockHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IOemLock>(); }
+};
+
 struct OemLockHidlTest : public ::testing::VtsHalHidlTargetTestBase {
     virtual void SetUp() override {
-        oemlock = ::testing::VtsHalHidlTargetTestBase::getService<IOemLock>();
+        oemlock = ::testing::VtsHalHidlTargetTestBase::getService<IOemLock>(
+            OemLockHidlEnvironment::Instance()->getServiceName<IOemLock>());
         ASSERT_NE(oemlock, nullptr);
     }
 
@@ -187,3 +200,12 @@
     ASSERT_EQ(status, OemLockStatus::OK);
     ASSERT_EQ(allowed, originallyAllowed);
 };
+
+int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(OemLockHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    OemLockHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
+}
diff --git a/radio/1.2/Android.bp b/radio/1.2/Android.bp
index 552e33d..48ac5a1 100644
--- a/radio/1.2/Android.bp
+++ b/radio/1.2/Android.bp
@@ -19,6 +19,7 @@
         "android.hidl.base@1.0",
     ],
     types: [
+        "AccessNetwork",
         "AudioQuality",
         "Call",
         "CardStatus",
@@ -33,6 +34,7 @@
         "CellInfoGsm",
         "CellInfoLte",
         "CellInfoWcdma",
+        "DataRequestReason",
         "IncrementalResultsPeriodicityRange",
         "IndicationFilter",
         "LinkCapacityEstimate",
diff --git a/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp b/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp
index 2cbe479..0ee9eb4 100644
--- a/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp
+++ b/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "VtsOffloadConfigV1_0TargetTest"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>
 #include <android/hardware/tetheroffload/config/1.0/IOffloadConfig.h>
@@ -77,10 +78,25 @@
     return netlinkSocket(NETLINK_NETFILTER, groups);
 }
 
+// Test environment for OffloadConfig HIDL HAL.
+class OffloadConfigHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static OffloadConfigHidlEnvironment* Instance() {
+        static OffloadConfigHidlEnvironment* instance = new OffloadConfigHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IOffloadConfig>(); }
+   private:
+    OffloadConfigHidlEnvironment() {}
+};
+
 class OffloadConfigHidlTest : public testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        config = testing::VtsHalHidlTargetTestBase::getService<IOffloadConfig>();
+        config = testing::VtsHalHidlTargetTestBase::getService<IOffloadConfig>(
+            OffloadConfigHidlEnvironment::Instance()->getServiceName<IOffloadConfig>());
         ASSERT_NE(nullptr, config.get()) << "Could not get HIDL instance";
     }
 
@@ -175,7 +191,9 @@
 }
 
 int main(int argc, char** argv) {
-    testing::InitGoogleTest(&argc, argv);
+    ::testing::AddGlobalTestEnvironment(OffloadConfigHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    OffloadConfigHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGE("Test result with status=%d", status);
     return status;
diff --git a/tetheroffload/control/1.0/vts/functional/VtsHalTetheroffloadControlV1_0TargetTest.cpp b/tetheroffload/control/1.0/vts/functional/VtsHalTetheroffloadControlV1_0TargetTest.cpp
index c009af5..c5e8021 100644
--- a/tetheroffload/control/1.0/vts/functional/VtsHalTetheroffloadControlV1_0TargetTest.cpp
+++ b/tetheroffload/control/1.0/vts/functional/VtsHalTetheroffloadControlV1_0TargetTest.cpp
@@ -18,6 +18,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>
 #include <android/hardware/tetheroffload/config/1.0/IOffloadConfig.h>
@@ -111,6 +112,23 @@
     NatTimeoutUpdate last_params;
 };
 
+// Test environment for OffloadControl HIDL HAL.
+class OffloadControlHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static OffloadControlHidlEnvironment* Instance() {
+        static OffloadControlHidlEnvironment* instance = new OffloadControlHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<IOffloadConfig>();
+        registerTestService<IOffloadControl>();
+    }
+   private:
+    OffloadControlHidlEnvironment() {}
+};
+
 class OffloadControlHidlTestBase : public testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
@@ -128,7 +146,8 @@
     // The IOffloadConfig HAL is tested more thoroughly elsewhere. He we just
     // setup everything correctly and verify basic readiness.
     void setupConfigHal() {
-        config = testing::VtsHalHidlTargetTestBase::getService<IOffloadConfig>();
+        config = testing::VtsHalHidlTargetTestBase::getService<IOffloadConfig>(
+            OffloadControlHidlEnvironment::Instance()->getServiceName<IOffloadConfig>());
         ASSERT_NE(nullptr, config.get()) << "Could not get HIDL instance";
 
         unique_fd fd1(conntrackSocket(NFNLGRP_CONNTRACK_NEW | NFNLGRP_CONNTRACK_DESTROY));
@@ -156,7 +175,8 @@
     }
 
     void prepareControlHal() {
-        control = testing::VtsHalHidlTargetTestBase::getService<IOffloadControl>();
+        control = testing::VtsHalHidlTargetTestBase::getService<IOffloadControl>(
+            OffloadControlHidlEnvironment::Instance()->getServiceName<IOffloadControl>());
         ASSERT_NE(nullptr, control.get()) << "Could not get HIDL instance";
 
         control_cb = new TetheringOffloadCallback();
@@ -660,7 +680,9 @@
 }
 
 int main(int argc, char** argv) {
-    testing::InitGoogleTest(&argc, argv);
+    ::testing::AddGlobalTestEnvironment(OffloadControlHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    OffloadControlHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGE("Test result with status=%d", status);
     return status;
diff --git a/usb/1.0/vts/functional/VtsHalUsbV1_0TargetTest.cpp b/usb/1.0/vts/functional/VtsHalUsbV1_0TargetTest.cpp
index e01b974..ee7ef1b 100644
--- a/usb/1.0/vts/functional/VtsHalUsbV1_0TargetTest.cpp
+++ b/usb/1.0/vts/functional/VtsHalUsbV1_0TargetTest.cpp
@@ -22,6 +22,7 @@
 #include <android/hardware/usb/1.0/types.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <log/log.h>
 #include <stdlib.h>
 #include <chrono>
@@ -48,6 +49,18 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+// Test environment for Usb HIDL HAL.
+class UsbHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static UsbHidlEnvironment* Instance() {
+    static UsbHidlEnvironment* instance = new UsbHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IUsb>(); }
+};
+
 // The main test class for the USB hidl HAL
 class UsbHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
@@ -96,7 +109,8 @@
 
   virtual void SetUp() override {
     ALOGI("Setup");
-    usb = ::testing::VtsHalHidlTargetTestBase::getService<IUsb>();
+    usb = ::testing::VtsHalHidlTargetTestBase::getService<IUsb>(
+        UsbHidlEnvironment::Instance()->getServiceName<IUsb>());
     ASSERT_NE(usb, nullptr);
 
     usb_cb_2 = new UsbCallback(*this, 2);
@@ -343,7 +357,9 @@
 }
 
 int main(int argc, char** argv) {
+  ::testing::AddGlobalTestEnvironment(UsbHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  UsbHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   ALOGI("Test result = %d", status);
   return status;
diff --git a/usb/1.1/vts/functional/VtsHalUsbV1_1TargetTest.cpp b/usb/1.1/vts/functional/VtsHalUsbV1_1TargetTest.cpp
index 8a30993..c990b23 100644
--- a/usb/1.1/vts/functional/VtsHalUsbV1_1TargetTest.cpp
+++ b/usb/1.1/vts/functional/VtsHalUsbV1_1TargetTest.cpp
@@ -24,6 +24,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <log/log.h>
 #include <stdlib.h>
 #include <chrono>
@@ -113,12 +114,25 @@
     };
 };
 
+// Test environment for Usb HIDL HAL.
+class UsbHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static UsbHidlEnvironment* Instance() {
+        static UsbHidlEnvironment* instance = new UsbHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IUsb>(); }
+};
+
 // The main test class for the USB hidl HAL
 class UsbHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
         ALOGI(__FUNCTION__);
-        usb = ::testing::VtsHalHidlTargetTestBase::getService<IUsb>();
+        usb = ::testing::VtsHalHidlTargetTestBase::getService<IUsb>(
+            UsbHidlEnvironment::Instance()->getServiceName<IUsb>());
         ASSERT_NE(usb, nullptr);
 
         usb_cb_2 = new UsbCallback(2);
@@ -169,7 +183,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(UsbHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    UsbHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
     return status;
diff --git a/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp b/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp
index f415ad5..a0e927b 100644
--- a/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp
+++ b/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp
@@ -19,9 +19,11 @@
 #include <android-base/logging.h>
 #include <android/hardware/vibrator/1.0/IVibrator.h>
 #include <android/hardware/vibrator/1.0/types.h>
-#include <VtsHalHidlTargetTestBase.h>
 #include <unistd.h>
 
+#include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
+
 using ::android::hardware::vibrator::V1_0::Effect;
 using ::android::hardware::vibrator::V1_0::EffectStrength;
 using ::android::hardware::vibrator::V1_0::IVibrator;
@@ -30,11 +32,27 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+// Test environment for Vibrator HIDL HAL.
+class VibratorHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static VibratorHidlEnvironment* Instance() {
+      static VibratorHidlEnvironment* instance = new VibratorHidlEnvironment;
+      return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IVibrator>(); }
+
+ private:
+  VibratorHidlEnvironment() {}
+};
+
 // The main test class for VIBRATOR HIDL HAL.
 class VibratorHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>();
+    vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>(
+        VibratorHidlEnvironment::Instance()->getServiceName<IVibrator>());
     ASSERT_NE(vibrator, nullptr);
   }
 
@@ -43,15 +61,6 @@
   sp<IVibrator> vibrator;
 };
 
-// A class for test environment setup (kept since this file is a template).
-class VibratorHidlEnvironment : public ::testing::Environment {
- public:
-  virtual void SetUp() {}
-  virtual void TearDown() {}
-
- private:
-};
-
 static void validatePerformEffect(Status status, uint32_t lengthMs) {
   ASSERT_TRUE(status == Status::OK || status == Status::UNSUPPORTED_OPERATION);
   if (status == Status::OK) {
@@ -96,8 +105,9 @@
 }
 
 int main(int argc, char **argv) {
-  ::testing::AddGlobalTestEnvironment(new VibratorHidlEnvironment);
+  ::testing::AddGlobalTestEnvironment(VibratorHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  VibratorHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   LOG(INFO) << "Test result = " << status;
   return status;
diff --git a/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp b/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp
index 35000f8..1a47fe9 100644
--- a/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp
+++ b/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "vibrator_hidl_hal_test"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/vibrator/1.1/IVibrator.h>
 #include <android/hardware/vibrator/1.1/types.h>
@@ -31,11 +32,27 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+// Test environment for Vibrator HIDL HAL.
+class VibratorHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static VibratorHidlEnvironment* Instance() {
+        static VibratorHidlEnvironment* instance = new VibratorHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IVibrator>(); }
+
+   private:
+    VibratorHidlEnvironment() {}
+};
+
 // The main test class for VIBRATOR HIDL HAL 1.1.
 class VibratorHidlTest_1_1 : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>();
+        vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>(
+            VibratorHidlEnvironment::Instance()->getServiceName<IVibrator>());
         ASSERT_NE(vibrator, nullptr);
     }
 
@@ -61,7 +78,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(VibratorHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    VibratorHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp b/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp
index 23f4c71..b165613 100644
--- a/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp
+++ b/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp
@@ -16,6 +16,7 @@
 
 #define LOG_TAG "vr_hidl_hal_test"
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/vr/1.0/IVr.h>
 #include <hardware/vr.h>
@@ -26,11 +27,24 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+// Test environment for Vr HIDL HAL.
+class VrHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static VrHidlEnvironment* Instance() {
+    static VrHidlEnvironment* instance = new VrHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IVr>(); }
+};
+
 // The main test class for VR HIDL HAL.
 class VrHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   void SetUp() override {
-    vr = ::testing::VtsHalHidlTargetTestBase::getService<IVr>();
+    vr = ::testing::VtsHalHidlTargetTestBase::getService<IVr>(
+        VrHidlEnvironment::Instance()->getServiceName<IVr>());
     ASSERT_NE(vr, nullptr);
   }
 
@@ -39,16 +53,6 @@
   sp<IVr> vr;
 };
 
-
-// A class for test environment setup (kept since this file is a template).
-class VrHidlEnvironment : public ::testing::Environment {
- public:
-  void SetUp() {}
-  void TearDown() {}
-
- private:
-};
-
 // Sanity check that Vr::init does not crash.
 TEST_F(VrHidlTest, Init) {
   EXPECT_TRUE(vr->init().isOk());
@@ -72,8 +76,9 @@
 }
 
 int main(int argc, char **argv) {
-  ::testing::AddGlobalTestEnvironment(new VrHidlEnvironment);
+  ::testing::AddGlobalTestEnvironment(VrHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  VrHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   ALOGI("Test result = %d", status);
   return status;
diff --git a/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp b/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp
index 372d787..de2a1de 100644
--- a/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp
+++ b/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp
@@ -19,6 +19,7 @@
 #include <limits>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::weaver::V1_0::IWeaver;
 using ::android::hardware::weaver::V1_0::WeaverConfig;
@@ -33,9 +34,22 @@
 const std::vector<uint8_t> VALUE{16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
 const std::vector<uint8_t> OTHER_VALUE{0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 255, 255};
 
+// Test environment for Weaver HIDL HAL.
+class WeaverHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static WeaverHidlEnvironment* Instance() {
+        static WeaverHidlEnvironment* instance = new WeaverHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IWeaver>(); }
+};
+
 struct WeaverHidlTest : public ::testing::VtsHalHidlTargetTestBase {
     virtual void SetUp() override {
-        weaver = ::testing::VtsHalHidlTargetTestBase::getService<IWeaver>();
+        weaver = ::testing::VtsHalHidlTargetTestBase::getService<IWeaver>(
+            WeaverHidlEnvironment::Instance()->getServiceName<IWeaver>());
         ASSERT_NE(weaver, nullptr);
     }
 
@@ -334,3 +348,12 @@
     EXPECT_TRUE(readValue.empty());
     EXPECT_EQ(timeout, 0u);
 }
+
+int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(WeaverHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    WeaverHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
+}
diff --git a/wifi/1.0/vts/functional/Android.bp b/wifi/1.0/vts/functional/Android.bp
index ea27f02..b2f76a3 100644
--- a/wifi/1.0/vts/functional/Android.bp
+++ b/wifi/1.0/vts/functional/Android.bp
@@ -20,7 +20,8 @@
     srcs: [
         "wifi_hidl_call_util_selftest.cpp",
         "wifi_hidl_test.cpp",
-        "wifi_hidl_test_utils.cpp"],
+        "wifi_hidl_test_utils.cpp",
+    ],
     export_include_dirs: [
         "."
     ],
diff --git a/wifi/1.0/vts/functional/VtsHalWifiV1_0TargetTest.cpp b/wifi/1.0/vts/functional/VtsHalWifiV1_0TargetTest.cpp
index beac039..e7b8593 100644
--- a/wifi/1.0/vts/functional/VtsHalWifiV1_0TargetTest.cpp
+++ b/wifi/1.0/vts/functional/VtsHalWifiV1_0TargetTest.cpp
@@ -16,16 +16,31 @@
 
 #include <android-base/logging.h>
 
-#include <VtsHalHidlTargetTestBase.h>
-
 #include "wifi_hidl_test_utils.h"
 
-WifiHidlEnvironment* gEnv;
+class WifiVtsHidlEnvironment_1_0 : public WifiHidlEnvironment {
+   public:
+    // get the test environment singleton
+    static WifiVtsHidlEnvironment_1_0* Instance() {
+        static WifiVtsHidlEnvironment_1_0* instance =
+            new WifiVtsHidlEnvironment_1_0;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<android::hardware::wifi::V1_0::IWifi>();
+    }
+
+   private:
+    WifiVtsHidlEnvironment_1_0() {}
+};
+
+WifiHidlEnvironment* gEnv = WifiVtsHidlEnvironment_1_0::Instance();
 
 int main(int argc, char** argv) {
-    gEnv = new WifiHidlEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/wifi/1.0/vts/functional/wifi_hidl_test_utils.cpp b/wifi/1.0/vts/functional/wifi_hidl_test_utils.cpp
index 0851cb2..88a4217 100644
--- a/wifi/1.0/vts/functional/wifi_hidl_test_utils.cpp
+++ b/wifi/1.0/vts/functional/wifi_hidl_test_utils.cpp
@@ -35,6 +35,8 @@
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
 
+extern WifiHidlEnvironment* gEnv;
+
 namespace {
 constexpr uint32_t kHalStartRetryMaxCount = 5;
 constexpr uint32_t kHalStartRetryIntervalInMs = 2;
@@ -86,7 +88,8 @@
 }  // namespace
 
 sp<IWifi> getWifi() {
-    sp<IWifi> wifi = ::testing::VtsHalHidlTargetTestBase::getService<IWifi>();
+    sp<IWifi> wifi = ::testing::VtsHalHidlTargetTestBase::getService<IWifi>(
+        gEnv->getServiceName<IWifi>());
     return wifi;
 }
 
diff --git a/wifi/1.0/vts/functional/wifi_hidl_test_utils.h b/wifi/1.0/vts/functional/wifi_hidl_test_utils.h
index c4a19dd..2b1c8ec 100644
--- a/wifi/1.0/vts/functional/wifi_hidl_test_utils.h
+++ b/wifi/1.0/vts/functional/wifi_hidl_test_utils.h
@@ -26,6 +26,7 @@
 
 #include <getopt.h>
 
+#include <VtsHalHidlTargetTestEnvBase.h>
 // Helper functions to obtain references to the various HIDL interface objects.
 // Note: We only have a single instance of each of these objects currently.
 // These helper functions should be modified to return vectors if we support
@@ -47,9 +48,9 @@
 // Used to trigger IWifi.stop() at the end of every test.
 void stopWifi();
 
-class WifiHidlEnvironment : public ::testing::Environment {
+class WifiHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
    protected:
-    virtual void SetUp() override {
+    virtual void HidlSetUp() override {
         stopWifi();
         sleep(5);
     }
diff --git a/wifi/1.1/vts/functional/VtsHalWifiV1_1TargetTest.cpp b/wifi/1.1/vts/functional/VtsHalWifiV1_1TargetTest.cpp
index 9b92b57..a0f97f8 100644
--- a/wifi/1.1/vts/functional/VtsHalWifiV1_1TargetTest.cpp
+++ b/wifi/1.1/vts/functional/VtsHalWifiV1_1TargetTest.cpp
@@ -15,17 +15,32 @@
  */
 
 #include <android-base/logging.h>
-
-#include <VtsHalHidlTargetTestBase.h>
+#include <android/hardware/wifi/1.1/IWifi.h>
 
 #include "wifi_hidl_test_utils.h"
 
-WifiHidlEnvironment* gEnv;
+class WifiHidlEnvironment_1_1 : public WifiHidlEnvironment {
+   public:
+    // get the test environment singleton
+    static WifiHidlEnvironment_1_1* Instance() {
+        static WifiHidlEnvironment_1_1* instance = new WifiHidlEnvironment_1_1;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<android::hardware::wifi::V1_1::IWifi>();
+    }
+
+   private:
+    WifiHidlEnvironment_1_1() {}
+};
+
+WifiHidlEnvironment* gEnv = WifiHidlEnvironment_1_1::Instance();
 
 int main(int argc, char** argv) {
-    gEnv = new WifiHidlEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         int status = RUN_ALL_TESTS();
diff --git a/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp b/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp
index 90c36dd..dbe4e74 100644
--- a/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp
+++ b/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp
@@ -23,6 +23,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #include <vector>
 
@@ -68,12 +69,33 @@
     OffloadStatus error_code_;
 };
 
+// Test environment for Weaver HIDL HAL.
+class WifiOffloadHidlEnvironment
+    : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static WifiOffloadHidlEnvironment* Instance() {
+        static WifiOffloadHidlEnvironment* instance =
+            new WifiOffloadHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<IOffload>();
+    }
+
+   private:
+    WifiOffloadHidlEnvironment() {}
+};
+
 // The main test class for WifiOffload HIDL HAL.
 class WifiOffloadHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
         wifi_offload_ =
-            ::testing::VtsHalHidlTargetTestBase::getService<IOffload>();
+            ::testing::VtsHalHidlTargetTestBase::getService<IOffload>(
+                WifiOffloadHidlEnvironment::Instance()
+                    ->getServiceName<IOffload>());
         ASSERT_NE(wifi_offload_, nullptr);
 
         wifi_offload_cb_ = new OffloadCallback();
@@ -209,17 +231,10 @@
     ASSERT_EQ(true, res.no_timeout);
 }
 
-// A class for test environment setup
-class WifiOffloadHalHidlEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-};
-
 int main(int argc, char** argv) {
-    ::testing::AddGlobalTestEnvironment(new WifiOffloadHalHidlEnvironment);
+    ::testing::AddGlobalTestEnvironment(WifiOffloadHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
-
+    WifiOffloadHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
 
diff --git a/wifi/supplicant/1.0/vts/functional/VtsHalWifiSupplicantV1_0TargetTest.cpp b/wifi/supplicant/1.0/vts/functional/VtsHalWifiSupplicantV1_0TargetTest.cpp
index 33f3049..adf2a85 100644
--- a/wifi/supplicant/1.0/vts/functional/VtsHalWifiSupplicantV1_0TargetTest.cpp
+++ b/wifi/supplicant/1.0/vts/functional/VtsHalWifiSupplicantV1_0TargetTest.cpp
@@ -16,22 +16,34 @@
 
 #include <android-base/logging.h>
 
-#include <VtsHalHidlTargetTestBase.h>
-
 #include "supplicant_hidl_test_utils.h"
+#include "wifi_hidl_test_utils.h"
 
-class SupplicantHidlEnvironment : public ::testing::Environment {
+class WifiSupplicantHidlEnvironment_1_0 : public WifiSupplicantHidlEnvironment {
    public:
-    virtual void SetUp() override {
-        stopSupplicant();
+    // get the test environment singleton
+    static WifiSupplicantHidlEnvironment_1_0* Instance() {
+        static WifiSupplicantHidlEnvironment_1_0* instance =
+            new WifiSupplicantHidlEnvironment_1_0;
+        return instance;
     }
-    virtual void TearDown() override {
+    virtual void registerTestServices() override {
+        registerTestService<::android::hardware::wifi::V1_0::IWifi>();
+        registerTestService<
+            ::android::hardware::wifi::supplicant::V1_0::ISupplicant>();
     }
+
+   private:
+    WifiSupplicantHidlEnvironment_1_0() {}
 };
 
+WifiSupplicantHidlEnvironment* gEnv =
+    WifiSupplicantHidlEnvironment_1_0::Instance();
+
 int main(int argc, char** argv) {
-    ::testing::AddGlobalTestEnvironment(new SupplicantHidlEnvironment);
+    ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp
index 3b75508..6dd64ec 100644
--- a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp
+++ b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#include <android-base/logging.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <android-base/logging.h>
 
 #include <android/hidl/manager/1.0/IServiceManager.h>
 #include <android/hidl/manager/1.0/IServiceNotification.h>
@@ -49,8 +49,9 @@
 using ::android::wifi_system::InterfaceTool;
 using ::android::wifi_system::SupplicantManager;
 
+extern WifiSupplicantHidlEnvironment* gEnv;
+
 namespace {
-const char kSupplicantServiceName[] = "default";
 
 // Helper function to initialize the driver and firmware to STA mode
 // using the vendor HAL HIDL interface.
@@ -153,19 +154,20 @@
 
     android::sp<ServiceNotificationListener> notification_listener =
         new ServiceNotificationListener();
+    string service_name = gEnv->getServiceName<ISupplicant>();
     ASSERT_TRUE(notification_listener->registerForHidlServiceNotifications(
-        kSupplicantServiceName));
+        service_name));
 
     SupplicantManager supplicant_manager;
     ASSERT_TRUE(supplicant_manager.StartSupplicant());
     ASSERT_TRUE(supplicant_manager.IsSupplicantRunning());
 
-    ASSERT_TRUE(
-        notification_listener->waitForHidlService(200, kSupplicantServiceName));
+    ASSERT_TRUE(notification_listener->waitForHidlService(200, service_name));
 }
 
 sp<ISupplicant> getSupplicant() {
-    return ::testing::VtsHalHidlTargetTestBase::getService<ISupplicant>();
+    return ::testing::VtsHalHidlTargetTestBase::getService<ISupplicant>(
+        gEnv->getServiceName<ISupplicant>());
 }
 
 sp<ISupplicantStaIface> getSupplicantStaIface() {
diff --git a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.h b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.h
index 38143e4..4426ab6 100644
--- a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.h
+++ b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.h
@@ -22,6 +22,8 @@
 #include <android/hardware/wifi/supplicant/1.0/ISupplicantStaIface.h>
 #include <android/hardware/wifi/supplicant/1.0/ISupplicantStaNetwork.h>
 
+#include <VtsHalHidlTargetTestEnvBase.h>
+
 // Used to stop the android wifi framework before every test.
 void stopWifiFramework();
 void startWifiFramework();
@@ -45,4 +47,13 @@
 
 bool turnOnExcessiveLogging();
 
+class WifiSupplicantHidlEnvironment
+    : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    virtual void HidlSetUp() override { stopSupplicant(); }
+    virtual void HidlTearDown() override {
+        startSupplicantAndWaitForHidlService();
+    }
+};
+
 #endif /* SUPPLICANT_HIDL_TEST_UTILS_H */