diff --git a/wifi/supplicant/1.1/vts/functional/Android.bp b/wifi/supplicant/1.1/vts/functional/Android.bp
index 8457532..6bcfa8a 100644
--- a/wifi/supplicant/1.1/vts/functional/Android.bp
+++ b/wifi/supplicant/1.1/vts/functional/Android.bp
@@ -19,7 +19,7 @@
     defaults: ["VtsHalTargetTestDefaults"],
     srcs: ["supplicant_hidl_test_utils_1_1.cpp"],
     export_include_dirs: [
-        "."
+        ".",
     ],
     static_libs: [
         "VtsHalWifiV1_0TargetTestUtil",
@@ -54,5 +54,8 @@
         "libwifi-system",
         "libwifi-system-iface",
     ],
-    test_suites: ["general-tests"],
+    test_suites: [
+        "general-tests",
+        "vts-core",
+    ],
 }
diff --git a/wifi/supplicant/1.1/vts/functional/VtsHalWifiSupplicantV1_1TargetTest.cpp b/wifi/supplicant/1.1/vts/functional/VtsHalWifiSupplicantV1_1TargetTest.cpp
index 9063a3b..f582cc1 100644
--- a/wifi/supplicant/1.1/vts/functional/VtsHalWifiSupplicantV1_1TargetTest.cpp
+++ b/wifi/supplicant/1.1/vts/functional/VtsHalWifiSupplicantV1_1TargetTest.cpp
@@ -14,45 +14,8 @@
  * limitations under the License.
  */
 
-#include <android-base/logging.h>
-#include <android/hardware/wifi/1.1/IWifi.h>
-#include <android/hardware/wifi/supplicant/1.1/ISupplicant.h>
-
 #include "supplicant_hidl_test_utils.h"
-#include "wifi_hidl_test_utils.h"
 
-class WifiSupplicantHidlEnvironment_1_1 : public WifiSupplicantHidlEnvironment {
-   public:
-    // get the test environment singleton
-    static WifiSupplicantHidlEnvironment_1_1* Instance() {
-        static WifiSupplicantHidlEnvironment_1_1* instance =
-            new WifiSupplicantHidlEnvironment_1_1;
-        return instance;
-    }
-    virtual void registerTestServices() override {
-        registerTestService<::android::hardware::wifi::V1_0::IWifi>();
-        registerTestService<::android::hardware::wifi::V1_1::IWifi>();
-        registerTestService<
-            ::android::hardware::wifi::supplicant::V1_0::ISupplicant>();
-        registerTestService<
-            ::android::hardware::wifi::supplicant::V1_1::ISupplicant>();
-    }
-
-   private:
-    WifiSupplicantHidlEnvironment_1_1() {}
-};
-
-WifiSupplicantHidlEnvironment* gEnv =
-    WifiSupplicantHidlEnvironment_1_1::Instance();
-
-int main(int argc, char** argv) {
-    ::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();
-        LOG(INFO) << "Test result = " << status;
-    }
-    return status;
-}
+// TODO(b/143892896): Remove this file after wifi_hidl_test_utils.cpp is
+// updated.
+WifiSupplicantHidlEnvironment* gEnv = nullptr;
diff --git a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test.cpp b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test.cpp
index 28f980c..24a7ec3 100644
--- a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test.cpp
+++ b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test.cpp
@@ -17,10 +17,12 @@
 #include <android-base/logging.h>
 #include <cutils/properties.h>
 
-#include <VtsHalHidlTargetTestBase.h>
-
+#include <VtsCoreUtil.h>
+#include <android/hardware/wifi/1.0/IWifi.h>
 #include <android/hardware/wifi/supplicant/1.0/types.h>
 #include <android/hardware/wifi/supplicant/1.1/ISupplicant.h>
+#include <hidl/GtestPrinter.h>
+#include <hidl/ServiceManagement.h>
 
 #include "supplicant_hidl_test_utils.h"
 #include "supplicant_hidl_test_utils_1_1.h"
@@ -33,22 +35,11 @@
 using ::android::hardware::wifi::supplicant::V1_1::ISupplicant;
 using ::android::sp;
 
-extern WifiSupplicantHidlEnvironment* gEnv;
-
-class SupplicantHidlTest : public ::testing::VtsHalHidlTargetTestBase {
+class SupplicantHidlTest : public SupplicantHidlTestBase {
    public:
-    virtual void SetUp() override {
-        startSupplicantAndWaitForHidlService();
-        supplicant_ = getSupplicant_1_1();
-        ASSERT_NE(supplicant_.get(), nullptr);
-    }
-
-    virtual void TearDown() override { stopSupplicant(); }
+    virtual void SetUp() override { SupplicantHidlTestBase::SetUp(); }
 
    protected:
-    // ISupplicant object used for all tests in this fixture.
-    sp<ISupplicant> supplicant_;
-
     std::string getWlan0IfaceName() {
         std::array<char, PROPERTY_VALUE_MAX> buffer;
         property_get("wifi.interface", buffer.data(), "wlan0");
@@ -65,7 +56,7 @@
 /*
  * AddStaInterface
  */
-TEST_F(SupplicantHidlTest, AddStaInterface) {
+TEST_P(SupplicantHidlTest, AddStaInterface) {
     ISupplicant::IfaceInfo iface_info;
     iface_info.name = getWlan0IfaceName();
     iface_info.type = IfaceType::STA;
@@ -82,8 +73,8 @@
 /*
  * AddP2pInterface
  */
-TEST_F(SupplicantHidlTest, AddP2pInterface) {
-    if (!gEnv->isP2pOn) return;
+TEST_P(SupplicantHidlTest, AddP2pInterface) {
+    if (isP2pOn_) return;
     ISupplicant::IfaceInfo iface_info;
     iface_info.name = getP2pIfaceName();
     iface_info.type = IfaceType::P2P;
@@ -100,7 +91,7 @@
 /*
  * RemoveStaInterface
  */
-TEST_F(SupplicantHidlTest, RemoveStaInterface) {
+TEST_P(SupplicantHidlTest, RemoveStaInterface) {
     ISupplicant::IfaceInfo iface_info;
     iface_info.name = getWlan0IfaceName();
     iface_info.type = IfaceType::STA;
@@ -122,8 +113,8 @@
 /*
  * RemoveP2pInterface
  */
-TEST_F(SupplicantHidlTest, RemoveP2pInterface) {
-    if (!gEnv->isP2pOn) return;
+TEST_P(SupplicantHidlTest, RemoveP2pInterface) {
+    if (isP2pOn_) return;
     ISupplicant::IfaceInfo iface_info;
     iface_info.name = getP2pIfaceName();
     iface_info.type = IfaceType::P2P;
@@ -146,6 +137,23 @@
  * Terminate
  * This terminates the service.
  */
-TEST_F(SupplicantHidlTest, Terminate) {
-    supplicant_->terminate();
+TEST_P(SupplicantHidlTest, Terminate) { supplicant_->terminate(); }
+
+static std::vector<std::string> get_wifi_instances() {
+    std::vector<std::string> instances =
+        android::hardware::getAllHalInstanceNames(
+            android::hardware::wifi::V1_0::IWifi::descriptor);
+    // Also test when wifi instance is not set.
+    instances.push_back("");
+
+    return instances;
 }
+
+INSTANTIATE_TEST_CASE_P(
+    PerInstance, SupplicantHidlTest,
+    testing::Combine(
+        testing::ValuesIn(get_wifi_instances()),
+        testing::ValuesIn(android::hardware::getAllHalInstanceNames(
+            android::hardware::wifi::supplicant::V1_1::ISupplicant::
+                descriptor))),
+    android::hardware::PrintInstanceTupleNameToString<>);
diff --git a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.cpp b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.cpp
index 04a5ed9..b75a2fb 100644
--- a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.cpp
+++ b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.cpp
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-#include <VtsHalHidlTargetTestBase.h>
 #include <android-base/logging.h>
 
 #include "supplicant_hidl_test_utils.h"
@@ -25,14 +24,19 @@
 using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaNetwork;
 using ::android::sp;
 
-sp<ISupplicant> getSupplicant_1_1() {
-    return ISupplicant::castFrom(getSupplicant());
+sp<ISupplicant> getSupplicant_1_1(const std::string& supplicant_instance_name,
+                                  bool isP2pOn) {
+    return ISupplicant::castFrom(
+        getSupplicant(supplicant_instance_name, isP2pOn));
 }
 
-sp<ISupplicantStaIface> getSupplicantStaIface_1_1() {
-    return ISupplicantStaIface::castFrom(getSupplicantStaIface());
+sp<ISupplicantStaIface> getSupplicantStaIface_1_1(
+    const sp<ISupplicant>& supplicant) {
+    return ISupplicantStaIface::castFrom(getSupplicantStaIface(supplicant));
 }
 
-sp<ISupplicantStaNetwork> createSupplicantStaNetwork_1_1() {
-    return ISupplicantStaNetwork::castFrom(createSupplicantStaNetwork());
+sp<ISupplicantStaNetwork> createSupplicantStaNetwork_1_1(
+    const sp<ISupplicant>& supplicant) {
+    return ISupplicantStaNetwork::castFrom(
+        createSupplicantStaNetwork(supplicant));
 }
diff --git a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.h b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.h
index 1c13325..3629882 100644
--- a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.h
+++ b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.h
@@ -14,20 +14,52 @@
  * limitations under the License.
  */
 
-#ifndef SUPPLICANT_HIDL_TEST_UTILS_1_1_H
-#define SUPPLICANT_HIDL_TEST_UTILS_1_1_H
+#pragma once
+#pragma clang diagnostic ignored "-Wweak-vtables"
 
+#include <VtsCoreUtil.h>
 #include <android/hardware/wifi/supplicant/1.1/ISupplicant.h>
 #include <android/hardware/wifi/supplicant/1.1/ISupplicantStaIface.h>
 #include <android/hardware/wifi/supplicant/1.1/ISupplicantStaNetwork.h>
+#include <gtest/gtest.h>
 
 android::sp<android::hardware::wifi::supplicant::V1_1::ISupplicant>
-    getSupplicant_1_1();
+getSupplicant_1_1(const std::string& supplicant_instance_name, bool isP2pOn);
 
 android::sp<android::hardware::wifi::supplicant::V1_1::ISupplicantStaIface>
-    getSupplicantStaIface_1_1();
+getSupplicantStaIface_1_1(
+    const android::sp<android::hardware::wifi::supplicant::V1_1::ISupplicant>&
+        supplicant);
 
 android::sp<android::hardware::wifi::supplicant::V1_1::ISupplicantStaNetwork>
-    createSupplicantStaNetwork_1_1();
+createSupplicantStaNetwork_1_1(
+    const android::sp<android::hardware::wifi::supplicant::V1_1::ISupplicant>&
+        supplicant);
 
-#endif /* SUPPLICANT_HIDL_TEST_UTILS_1_1_H */
+class SupplicantHidlTestBase
+    : public ::testing::TestWithParam<std::tuple<std::string, std::string>> {
+   public:
+    virtual void SetUp() override {
+        wifi_v1_0_instance_name_ = std::get<0>(GetParam());
+        supplicant_v1_1_instance_name_ = std::get<1>(GetParam());
+        isP2pOn_ =
+            testing::deviceSupportsFeature("android.hardware.wifi.direct");
+        stopSupplicant(wifi_v1_0_instance_name_);
+        startSupplicantAndWaitForHidlService(wifi_v1_0_instance_name_,
+                                             supplicant_v1_1_instance_name_);
+        supplicant_ =
+            getSupplicant_1_1(supplicant_v1_1_instance_name_, isP2pOn_);
+        ASSERT_NE(supplicant_.get(), nullptr);
+    }
+
+    virtual void TearDown() override {
+        stopSupplicant(wifi_v1_0_instance_name_);
+    }
+
+   protected:
+    android::sp<android::hardware::wifi::supplicant::V1_1::ISupplicant>
+        supplicant_;
+    bool isP2pOn_ = false;
+    std::string wifi_v1_0_instance_name_;
+    std::string supplicant_v1_1_instance_name_;
+};
diff --git a/wifi/supplicant/1.1/vts/functional/supplicant_sta_iface_hidl_test.cpp b/wifi/supplicant/1.1/vts/functional/supplicant_sta_iface_hidl_test.cpp
index c5e6319..8a1aecc 100644
--- a/wifi/supplicant/1.1/vts/functional/supplicant_sta_iface_hidl_test.cpp
+++ b/wifi/supplicant/1.1/vts/functional/supplicant_sta_iface_hidl_test.cpp
@@ -16,9 +16,13 @@
 
 #include <android-base/logging.h>
 
-#include <VtsHalHidlTargetTestBase.h>
-
+#include <VtsCoreUtil.h>
+#include <android/hardware/wifi/1.0/IWifi.h>
+#include <android/hardware/wifi/1.1/IWifi.h>
 #include <android/hardware/wifi/supplicant/1.1/ISupplicantStaIface.h>
+#include <gtest/gtest.h>
+#include <hidl/GtestPrinter.h>
+#include <hidl/ServiceManagement.h>
 
 #include "supplicant_hidl_test_utils.h"
 #include "supplicant_hidl_test_utils_1_1.h"
@@ -29,26 +33,24 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaIface;
-using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaIfaceCallback;
 using ::android::hardware::wifi::supplicant::V1_0::SupplicantStatus;
 using ::android::hardware::wifi::supplicant::V1_0::SupplicantStatusCode;
+using ::android::hardware::wifi::supplicant::V1_1::ISupplicant;
+using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaIface;
+using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaIfaceCallback;
 
-class SupplicantStaIfaceHidlTest
-    : public ::testing::VtsHalHidlTargetTestBase {
- public:
-  virtual void SetUp() override {
-      startSupplicantAndWaitForHidlService();
-      EXPECT_TRUE(turnOnExcessiveLogging());
-      sta_iface_ = getSupplicantStaIface_1_1();
-      ASSERT_NE(sta_iface_.get(), nullptr);
-  }
+class SupplicantStaIfaceHidlTest : public SupplicantHidlTestBase {
+   public:
+    virtual void SetUp() override {
+        SupplicantHidlTestBase::SetUp();
+        EXPECT_TRUE(turnOnExcessiveLogging(supplicant_));
+        sta_iface_ = getSupplicantStaIface_1_1(supplicant_);
+        ASSERT_NE(sta_iface_.get(), nullptr);
+    }
 
-  virtual void TearDown() override { stopSupplicant(); }
-
- protected:
-  // ISupplicantStaIface object used for all tests in this fixture.
-  sp<ISupplicantStaIface> sta_iface_;
+   protected:
+    // ISupplicantStaIface object used for all tests in this fixture.
+    sp<ISupplicantStaIface> sta_iface_;
 };
 
 class IfaceCallback : public ISupplicantStaIfaceCallback {
@@ -131,9 +133,19 @@
 /*
  * RegisterCallback_1_1
  */
-TEST_F(SupplicantStaIfaceHidlTest, RegisterCallback_1_1) {
-  sta_iface_->registerCallback_1_1(
-      new IfaceCallback(), [](const SupplicantStatus& status) {
-          EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
-      });
+TEST_P(SupplicantStaIfaceHidlTest, RegisterCallback_1_1) {
+    sta_iface_->registerCallback_1_1(
+        new IfaceCallback(), [](const SupplicantStatus& status) {
+            EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
+        });
 }
+
+INSTANTIATE_TEST_CASE_P(
+    PerInstance, SupplicantStaIfaceHidlTest,
+    testing::Combine(
+        testing::ValuesIn(android::hardware::getAllHalInstanceNames(
+            android::hardware::wifi::V1_0::IWifi::descriptor)),
+        testing::ValuesIn(android::hardware::getAllHalInstanceNames(
+            android::hardware::wifi::supplicant::V1_1::ISupplicant::
+                descriptor))),
+    android::hardware::PrintInstanceTupleNameToString<>);
\ No newline at end of file
diff --git a/wifi/supplicant/1.1/vts/functional/supplicant_sta_network_hidl_test.cpp b/wifi/supplicant/1.1/vts/functional/supplicant_sta_network_hidl_test.cpp
index fa52556..a4b7d40 100644
--- a/wifi/supplicant/1.1/vts/functional/supplicant_sta_network_hidl_test.cpp
+++ b/wifi/supplicant/1.1/vts/functional/supplicant_sta_network_hidl_test.cpp
@@ -16,8 +16,11 @@
 
 #include <android-base/logging.h>
 
-#include <VtsHalHidlTargetTestBase.h>
+#include <VtsCoreUtil.h>
+#include <android/hardware/wifi/1.0/IWifi.h>
 #include <android/hardware/wifi/supplicant/1.1/ISupplicantStaNetwork.h>
+#include <hidl/GtestPrinter.h>
+#include <hidl/ServiceManagement.h>
 
 #include "supplicant_hidl_test_utils.h"
 #include "supplicant_hidl_test_utils_1_1.h"
@@ -26,27 +29,26 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::wifi::supplicant::V1_0::SupplicantStatus;
 using ::android::hardware::wifi::supplicant::V1_0::SupplicantStatusCode;
+using ::android::hardware::wifi::supplicant::V1_1::ISupplicant;
 using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaNetwork;
+
 namespace {
 constexpr uint8_t kTestIdentity[] = {0x45, 0x67, 0x98, 0x67, 0x56};
 constexpr uint8_t kTestEncryptedIdentity[] = {0x35, 0x37, 0x58, 0x57, 0x26};
 }  // namespace
 
-class SupplicantStaNetworkHidlTest
-    : public ::testing::VtsHalHidlTargetTestBase {
- public:
-  virtual void SetUp() override {
-    startSupplicantAndWaitForHidlService();
-    EXPECT_TRUE(turnOnExcessiveLogging());
-    sta_network_ = createSupplicantStaNetwork_1_1();
-    ASSERT_NE(sta_network_.get(), nullptr);
-  }
+class SupplicantStaNetworkHidlTest : public SupplicantHidlTestBase {
+   public:
+    virtual void SetUp() override {
+        SupplicantHidlTestBase::SetUp();
+        EXPECT_TRUE(turnOnExcessiveLogging(supplicant_));
+        sta_network_ = createSupplicantStaNetwork_1_1(supplicant_);
+        ASSERT_NE(sta_network_.get(), nullptr);
+    }
 
-  virtual void TearDown() override { stopSupplicant(); }
-
- protected:
-  // ISupplicantStaNetwork object used for all tests in this fixture.
-  sp<ISupplicantStaNetwork> sta_network_;
+   protected:
+    // ISupplicantStaNetwork object used for all tests in this fixture.
+    sp<ISupplicantStaNetwork> sta_network_;
 };
 
 /*
@@ -54,36 +56,49 @@
  * Ensures that an instance of the ISupplicantStaNetwork proxy object is
  * successfully created.
  */
-TEST(SupplicantStaNetworkHidlTestNoFixture, Create) {
-  startSupplicantAndWaitForHidlService();
-  EXPECT_NE(nullptr, createSupplicantStaNetwork_1_1().get());
-  stopSupplicant();
+TEST_P(SupplicantStaNetworkHidlTest, Create) {
+    stopSupplicant(wifi_v1_0_instance_name_);
+    startSupplicantAndWaitForHidlService(wifi_v1_0_instance_name_,
+                                         supplicant_v1_1_instance_name_);
+    sp<ISupplicant> supplicant =
+        getSupplicant_1_1(supplicant_v1_1_instance_name_, isP2pOn_);
+    EXPECT_NE(nullptr, createSupplicantStaNetwork_1_1(supplicant).get());
 }
 
 /*
  * Ensure that the encrypted imsi identity is set successfully.
  */
-TEST_F(SupplicantStaNetworkHidlTest, setEapEncryptedImsiIdentity) {
-  std::vector<uint8_t> encrypted_identity(
-      kTestEncryptedIdentity,
-      kTestEncryptedIdentity + sizeof(kTestEncryptedIdentity));
-  sta_network_->setEapEncryptedImsiIdentity(
-      encrypted_identity, [](const SupplicantStatus &status) {
-        EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
-      });
+TEST_P(SupplicantStaNetworkHidlTest, setEapEncryptedImsiIdentity) {
+    std::vector<uint8_t> encrypted_identity(
+        kTestEncryptedIdentity,
+        kTestEncryptedIdentity + sizeof(kTestEncryptedIdentity));
+    sta_network_->setEapEncryptedImsiIdentity(
+        encrypted_identity, [](const SupplicantStatus &status) {
+            EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
+        });
 }
 
 /*
  * Ensure that the identity and the encrypted imsi identity are sent
  * successfully.
  */
-TEST_F(SupplicantStaNetworkHidlTest, SendNetworkEapIdentityResponse_1_1) {
-  sta_network_->sendNetworkEapIdentityResponse_1_1(
-      std::vector<uint8_t>(kTestIdentity,
-                           kTestIdentity + sizeof(kTestIdentity)),
-      std::vector<uint8_t>(kTestEncryptedIdentity,
-                           kTestIdentity + sizeof(kTestEncryptedIdentity)),
-      [](const SupplicantStatus &status) {
-        EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
-      });
+TEST_P(SupplicantStaNetworkHidlTest, SendNetworkEapIdentityResponse_1_1) {
+    sta_network_->sendNetworkEapIdentityResponse_1_1(
+        std::vector<uint8_t>(kTestIdentity,
+                             kTestIdentity + sizeof(kTestIdentity)),
+        std::vector<uint8_t>(kTestEncryptedIdentity,
+                             kTestIdentity + sizeof(kTestEncryptedIdentity)),
+        [](const SupplicantStatus &status) {
+            EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
+        });
 }
+
+INSTANTIATE_TEST_CASE_P(
+    PerInstance, SupplicantStaNetworkHidlTest,
+    testing::Combine(
+        testing::ValuesIn(android::hardware::getAllHalInstanceNames(
+            android::hardware::wifi::V1_0::IWifi::descriptor)),
+        testing::ValuesIn(android::hardware::getAllHalInstanceNames(
+            android::hardware::wifi::supplicant::V1_1::ISupplicant::
+                descriptor))),
+    android::hardware::PrintInstanceTupleNameToString<>);
\ No newline at end of file