test: confirm an erroring test posts a notification

Author: zimeg

.github/workflows/tests.yml

@@ -86,7 +86,7 @@ jobs:
     name: Regression notifications
     runs-on: ubuntu-latest
     needs: build
-    if: ${{ !success() && github.ref == 'refs/heads/main' && github.event_name != 'workflow_dispatch' }}
+    if: ${{ !success() }}
     steps:
       - name: Send notifications of failing tests
         uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1

tests/slack_bolt/context/test_say.py

@@ -22,7 +22,7 @@ def teardown_method(self):
     def test_say(self):
         say = Say(client=self.web_client, channel="C111")
         response: SlackResponse = say(text="Hi there!")
-        assert response.status_code == 200
+        assert response.status_code == 404
 
     def test_say_unfurl_options(self):
         say = Say(client=self.web_client, channel="C111")