Add workflow step to notify on Automated Test failure (#1585)

* WIP: Added initial workflow step to notify on failure

* Update github workflow to test slack incoming webhook

* Testing run the step when there is a failure

* Updated with link to action run URL

* Removed pull_request trigger

* Testing that step doesn't run on success

* added back workflow step

.github/workflows/automated-staging-test-run.yml

@@ -17,3 +17,12 @@ jobs:
         env:
           AZURE_STORAGE_CONNECTION_STRING: ${{ secrets.AUTOMATED_TEST_AZURE_STORAGE_CONNECTION_STRING }}
         run: ./gradlew rs-e2e:clean rs-e2e:automatedTest
+
+      - name: Send slack notification on test failure
+        if: failure()
+        uses: slackapi/[email protected]
+        with:
+          webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
+          webhook-type: incoming-webhook
+          payload: |
+            text: "Automated Staging RS Integration Test Failed!: https://github.com/CDCgov/trusted-intermediary/actions/runs/${{ github.run_id }}"