ci: confirm notifications aren't sent on success

Author: zimeg

.github/workflows/tests.yml

@@ -86,7 +86,7 @@ jobs:
     name: Regression notifications
     runs-on: ubuntu-latest
     needs: build
-    if: failure() && github.ref == 'refs/heads/main'
+    if: failure()
     steps:
       - name: Send notifications of failing tests
         uses: slackapi/slack-github-action@b0fa283ad8fea605de13dc3f449259339835fc52 # v2.1.0

tests/scenario_tests/test_app.py

@@ -264,7 +264,7 @@ def handle(context: BoltContext, respond):
 
         req = BoltRequest(body=app_mention_event_body, headers={}, mode="socket_mode")
         response = app.dispatch(req)
-        assert response.status == 418
+        assert response.status == 200
         assert result["called"] is True
 
     def test_argument_logger_propagation(self):