Add exit 1 and allow_failure for notification

cloud-providers/osdu-gcp-cloudrun.yml

@@ -76,5 +76,7 @@ osdu-gcp-test:
     - .osdu-gcp-variables
   stage: integration
   needs: ["osdu-gcp-deploy"]
+  allow_failure: true
   script:
     - echo "This is a stub. Integration tests are not implemented for the R3 services."
+    - exit 1