re-enable ud tests, but change to non-required due to flakes

Author: scotthart

ci/cloudbuild/builds/universe-domain.sh

@@ -26,12 +26,12 @@ export CC=clang
 export CXX=clang++
 
 if [[ -n "${UD_SA_KEY_FILE}" ]]; then
-  #  ud::bazel_run //google/cloud/universe_domain/demo:kms_demo \
-  #    "${UD_PROJECT}" "${UD_REGION}" "${UD_SA_KEY_FILE}"
+  ud::bazel_run //google/cloud/universe_domain/demo:kms_demo \
+    "${UD_PROJECT}" "${UD_REGION}" "${UD_SA_KEY_FILE}"
   ud::bazel_test //google/cloud/storage/tests:universe_domain_integration_test
   ud::bazel_test //google/cloud/universe_domain/integration_tests:impersonation_tests
 else
   source module ci/etc/integration-tests-config.sh
-#  bazel run -- //google/cloud/universe_domain/demo:kms_demo \
-#    "${GOOGLE_CLOUD_PROJECT}" "${GOOGLE_CLOUD_CPP_TEST_REGION}"
+  bazel run -- //google/cloud/universe_domain/demo:kms_demo \
+    "${GOOGLE_CLOUD_PROJECT}" "${GOOGLE_CLOUD_CPP_TEST_REGION}"
 fi