Added check for cypress tests in PR (#8454)

.github/workflows/pr-labeler.yml

@@ -13,3 +13,20 @@ jobs:
       - uses: appsmithorg/labeler@master
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Get changed files using defaults
+        id: changed-files
+        uses: trilom/file-changes-action@v1.2.3
+        continue-on-error: true
+
+      - name: Run step when a file changes
+        uses: actions-ecosystem/action-create-comment@v1
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+        if: |
+          contains(steps.changed-files.outputs.files_modified, 'cypress') == false &&
+          contains(steps.changed-files.outputs.files_modified, 'test') == false
+        with:
+          github_token: ${{ secrets.github_token }}
+          body: |
+            Unable to find test scripts. Please add necessary tests to the PR.