Enabling formatting for TestNG

Author: diemol

.github/workflows/java.yml

@@ -44,6 +44,17 @@ jobs:
           skip-commit: true
       - name: Print diffs
         run: git --no-pager diff --exit-code
+  formatting-testng:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: axel-op/googlejavaformat-action@v3
+        with:
+          args: "--replace"
+          files: "java/testng/**/*.java"
+          skip-commit: true
+      - name: Print diffs
+        run: git --no-pager diff --exit-code
   main:
     runs-on: ubuntu-latest
     steps: