Add Test workflow

.github/workflows/test.yml

@@ -0,0 +1,18 @@
+name: Unit Test
+
+on:
+  pull_request:
+    branches:
+      - master
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Run TestNG tests
+        run: ./gradlew clean testMinAndMaxWithXml