Suppress gtest error for tests without any instance

Bug: 162052785
Test: m -j vts
Change-Id: I8c1a48e6fbd7c8161137902b5332911fa0d7b8b3
diff --git a/identity/aidl/vts/ReaderAuthTests.cpp b/identity/aidl/vts/ReaderAuthTests.cpp
index b11f6c5..0a9fdc0 100644
--- a/identity/aidl/vts/ReaderAuthTests.cpp
+++ b/identity/aidl/vts/ReaderAuthTests.cpp
@@ -594,6 +594,7 @@
               status.serviceSpecificErrorCode());
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(ReaderAuthTests);
 INSTANTIATE_TEST_SUITE_P(
         Identity, ReaderAuthTests,
         testing::ValuesIn(android::getAidlHalInstanceNames(IIdentityCredentialStore::descriptor)),