Convert vr hal test to use VtsHalHidlTargetTestEnvBase

Bug: 64203181
Test: make vts
      vts-tradefed run vts -m VtsHalVrV1_0Target

Change-Id: Ib4a48a2b6a32139472db3d9121b1041d151af961
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;