Update credentials_test.cc

test/cpp/client/credentials_test.cc

@@ -103,8 +103,10 @@ TEST(CredentialsTest, ExternalAccountCredentials) {
       "{\"type\":\"external_account\",\"audience\":\"audience\",\"subject_"
       "token_type\":\"subject_token_type\",\"service_account_impersonation_"
       "url\":\"service_account_impersonation_url\",\"token_url\":\"https://"
-      "foo.com:5555/token\",\"token_info_url\":\"https://foo.com:5555/"
-      "token_info\",\"credential_source\":{\"url\":\"https://foo.com:5555/"
+      "sts.googleapis.com:5555/token\",\"token_info_url\":\"https://"
+      "sts.googleapis.com:5555/"
+      "token_info\",\"credential_source\":{\"url\":\"https://"
+      "sts.googleapis.com:5555/"
       "generate_subject_token_format_json\",\"headers\":{\"Metadata-Flavor\":"
       "\"Google\"},\"format\":{\"type\":\"json\",\"subject_token_field_name\":"
       "\"access_token\"}},\"quota_project_id\":\"quota_"
@@ -118,7 +120,8 @@ TEST(CredentialsTest, ExternalAccountCredentials) {
       "{\"type\":\"external_account\",\"audience\":\"audience\",\"subject_"
       "token_type\":\"subject_token_type\",\"service_account_impersonation_"
       "url\":\"service_account_impersonation_url\",\"token_url\":\"https://"
-      "foo.com:5555/token\",\"token_info_url\":\"https://foo.com:5555/"
+      "sts.googleapis.com:5555/token\",\"token_info_url\":\"https://"
+      "sts.googleapis.com:5555/"
       "token_info\",\"credential_source\":{\"file\":\"credentials_file_path\"},"
       "\"quota_project_id\":\"quota_"
       "project_id\",\"client_id\":\"client_id\",\"client_secret\":\"client_"
@@ -131,11 +134,14 @@ TEST(CredentialsTest, ExternalAccountCredentials) {
       "{\"type\":\"external_account\",\"audience\":\"audience\",\"subject_"
       "token_type\":\"subject_token_type\",\"service_account_impersonation_"
       "url\":\"service_account_impersonation_url\",\"token_url\":\"https://"
-      "foo.com:5555/token\",\"token_info_url\":\"https://foo.com:5555/"
+      "sts.googleapis.com:5555/token\",\"token_info_url\":\"https://"
+      "sts.googleapis.com:5555/"
       "token_info\",\"credential_source\":{\"environment_id\":\"aws1\","
-      "\"region_url\":\"https://foo.com:5555/region_url\",\"url\":\"https://"
-      "foo.com:5555/url\",\"regional_cred_verification_url\":\"https://"
-      "foo.com:5555/regional_cred_verification_url_{region}\"},"
+      "\"region_url\":\"https://sts.googleapis.com:5555/"
+      "region_url\",\"url\":\"https://"
+      "sts.googleapis.com:5555/"
+      "url\",\"regional_cred_verification_url\":\"https://"
+      "sts.googleapis.com:5555/regional_cred_verification_url_{region}\"},"
       "\"quota_project_id\":\"quota_"
       "project_id\",\"client_id\":\"client_id\",\"client_secret\":\"client_"
       "secret\"}");