test: use MakeInsecureCredentials() in UnifiedCredentials tests (#8058)

Author: devbww

google/cloud/pubsub/integration_tests/schema_admin_integration_test.cc

@@ -108,9 +108,7 @@ TEST_F(SchemaAdminIntegrationTest, UnifiedCredentials) {
       Options{}.set<UnifiedCredentialsOption>(MakeGoogleDefaultCredentials());
   if (UsingEmulator()) {
     options = Options{}
-                  .set<UnifiedCredentialsOption>(MakeAccessTokenCredentials(
-                      "test-only-invalid", std::chrono::system_clock::now() +
-                                               std::chrono::minutes(15)))
+                  .set<UnifiedCredentialsOption>(MakeInsecureCredentials())
                   .set<internal::UseInsecureChannelOption>(true);
   }
   auto client =

google/cloud/pubsub/integration_tests/subscriber_integration_test.cc

@@ -445,9 +445,7 @@ TEST_F(SubscriberIntegrationTest, UnifiedCredentials) {
       internal::GetEnv("PUBSUB_EMULATOR_HOST").has_value();
   if (using_emulator) {
     options = Options{}
-                  .set<UnifiedCredentialsOption>(MakeAccessTokenCredentials(
-                      "test-only-invalid", std::chrono::system_clock::now() +
-                                               std::chrono::minutes(15)))
+                  .set<UnifiedCredentialsOption>(MakeInsecureCredentials())
                   .set<internal::UseInsecureChannelOption>(true);
   }
   auto publisher = Publisher(MakePublisherConnection(topic_, options));

google/cloud/pubsub/integration_tests/subscription_admin_integration_test.cc

@@ -210,9 +210,7 @@ TEST_F(SubscriptionAdminIntegrationTest, UnifiedCredentials) {
       Options{}.set<UnifiedCredentialsOption>(MakeGoogleDefaultCredentials());
   if (UsingEmulator()) {
     options = Options{}
-                  .set<UnifiedCredentialsOption>(MakeAccessTokenCredentials(
-                      "test-only-invalid", std::chrono::system_clock::now() +
-                                               std::chrono::minutes(15)))
+                  .set<UnifiedCredentialsOption>(MakeInsecureCredentials())
                   .set<internal::UseInsecureChannelOption>(true);
   }
   auto client = SubscriptionAdminClient(

google/cloud/pubsub/integration_tests/topic_admin_integration_test.cc

@@ -115,9 +115,7 @@ TEST_F(TopicAdminIntegrationTest, UnifiedCredentials) {
       Options{}.set<UnifiedCredentialsOption>(MakeGoogleDefaultCredentials());
   if (UsingEmulator()) {
     options = Options{}
-                  .set<UnifiedCredentialsOption>(MakeAccessTokenCredentials(
-                      "test-only-invalid", std::chrono::system_clock::now() +
-                                               std::chrono::minutes(15)))
+                  .set<UnifiedCredentialsOption>(MakeInsecureCredentials())
                   .set<internal::UseInsecureChannelOption>(true);
   }
   auto client = TopicAdminClient(MakeTopicAdminConnection(std::move(options)));

google/cloud/spanner/integration_tests/client_integration_test.cc

@@ -974,9 +974,7 @@ TEST_F(ClientIntegrationTest, UnifiedCredentials) {
       Options{}.set<UnifiedCredentialsOption>(MakeGoogleDefaultCredentials());
   if (emulator_) {
     options = Options{}
-                  .set<UnifiedCredentialsOption>(MakeAccessTokenCredentials(
-                      "test-only-invalid", std::chrono::system_clock::now() +
-                                               std::chrono::minutes(15)))
+                  .set<UnifiedCredentialsOption>(MakeInsecureCredentials())
                   .set<internal::UseInsecureChannelOption>(true);
   }
   // Reconnect to the database using the new credentials.