ci: send slack message when ci fails on main

Author: arad-starkware

.github/workflows/on-merge.yaml

@@ -9,3 +9,24 @@ jobs:
   test:
     uses: ./.github/workflows/test.yaml
     secrets: inherit
+
+  notify-slack:
+    needs: test
+    if: failure()
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send Slack Notification
+        uses: slackapi/[email protected]
+        with:
+          payload: |
+            {
+              "text": ":rotating_light: *CI FAILED on main!*",
+              "attachments": [
+                {
+                  "color": "danger",
+                  "text": "Workflow: ${{ github.workflow }}\nJob: ${{ github.job }}\nCommit: ${{ github.sha }}\nAuthor: ${{ github.actor }}"
+                }
+              ]
+            }
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}

src/flow_test/test.cairo

@@ -3029,3 +3029,8 @@ fn enable_disable_btc_tokens_flow_test() {
         .span();
     assert!(tokens == expected_tokens);
 }
+
+#[test]
+fn test_test() {
+    panic!("test");
+}