diff --git a/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp b/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp
index b3ab594..010a46d 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);
@@ -456,17 +473,19 @@
 }
 
 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/gnss/1.1/vts/functional/VtsHalGnssV1_1TargetTest.cpp b/gnss/1.1/vts/functional/VtsHalGnssV1_1TargetTest.cpp
index 9b805e4..ca9eef4 100644
--- a/gnss/1.1/vts/functional/VtsHalGnssV1_1TargetTest.cpp
+++ b/gnss/1.1/vts/functional/VtsHalGnssV1_1TargetTest.cpp
@@ -13,12 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#define LOG_TAG "VtsHalGnssV1_1TargetTest"
 
 #include <VtsHalHidlTargetTestBase.h>
 
+#include "gnss_hal_test.h"
+
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(GnssHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    GnssHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
     return status;
-}
\ No newline at end of file
+}
diff --git a/gnss/1.1/vts/functional/gnss_hal_test.cpp b/gnss/1.1/vts/functional/gnss_hal_test.cpp
index 7e43b92..23b7317 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test.cpp
+++ b/gnss/1.1/vts/functional/gnss_hal_test.cpp
@@ -27,7 +27,8 @@
       notify_count_(0) {}
 
 void GnssHalTest::SetUp() {
-    gnss_hal_ = ::testing::VtsHalHidlTargetTestBase::getService<IGnss>();
+    gnss_hal_ = ::testing::VtsHalHidlTargetTestBase::getService<IGnss>(
+        GnssHidlEnvironment::Instance()->getServiceName<IGnss>());
     list_gnss_sv_status_.clear();
     ASSERT_NE(gnss_hal_, nullptr);
 }
diff --git a/gnss/1.1/vts/functional/gnss_hal_test.h b/gnss/1.1/vts/functional/gnss_hal_test.h
index 6aab3cb..6d5bb4c 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test.h
+++ b/gnss/1.1/vts/functional/gnss_hal_test.h
@@ -17,11 +17,10 @@
 #ifndef GNSS_HAL_TEST_H_
 #define GNSS_HAL_TEST_H_
 
-#define LOG_TAG "VtsHalGnssV1_1TargetTest"
-
 #include <android/hardware/gnss/1.1/IGnss.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #include <condition_variable>
 #include <list>
@@ -40,6 +39,21 @@
 
 #define TIMEOUT_SEC 2  // for basic commands/responses
 
+// 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: