Suppress gtest error for tests without any instance

Bug: 162052785
Test: m -j vts
Change-Id: I8c1a48e6fbd7c8161137902b5332911fa0d7b8b3
diff --git a/health/2.1/vts/functional/VtsHalHealthV2_1TargetTest.cpp b/health/2.1/vts/functional/VtsHalHealthV2_1TargetTest.cpp
index deb1a29..43e6cdc 100644
--- a/health/2.1/vts/functional/VtsHalHealthV2_1TargetTest.cpp
+++ b/health/2.1/vts/functional/VtsHalHealthV2_1TargetTest.cpp
@@ -258,6 +258,7 @@
     })));
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(HealthHidlTest);
 INSTANTIATE_TEST_SUITE_P(
         PerInstance, HealthHidlTest,
         testing::ValuesIn(android::hardware::getAllHalInstanceNames(IHealth::descriptor)),