ci(gh): add comment when /build_test is finished (#745)

.github/workflows/test-ci-command.yml

@@ -95,3 +95,40 @@ jobs:
       ref: ${{ needs.checkout-branch.outputs.PR_head_ref }}
       tag: ${{ needs.get-test-image-tag.outputs.tag }}
       sha: ${{ needs.checkout-branch.outputs.PR_head_sha }}
+
+  successful-test:
+    runs-on: ubuntu-latest
+    needs: [run-test-jobs]
+    permissions:
+      pull-requests: write
+    steps:
+    - name: Leave Actions Run Comment
+      uses: actions/github-script@v6
+      with:
+        script: |
+          const runURL = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${{ github.run_id }}`;
+          const commentBody = `\`/build_test\` completed successfully ✅. \n[View Actions Run](${runURL}).`;
+          github.rest.issues.createComment({
+            issue_number: context.issue.number,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: commentBody
+            });
+
+  cancelled-test:
+    if: (always() && contains(needs.*.result, 'failure'))
+    runs-on: ubuntu-latest
+    needs: [run-test-jobs]
+    steps:
+    - name: Leave Actions Run Comment
+      uses: actions/github-script@v6
+      with:
+        script: |
+          const runURL = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${{ github.run_id }}`;
+          const commentBody = `\`/build_test\` : At least one test failed ❌. \n[View Actions Run](${runURL}).`;
+          github.rest.issues.createComment({
+            issue_number: context.issue.number,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: commentBody
+            });