Add tests action

.gitea/workflows/tests.yaml

@@ -0,0 +1,18 @@
+name: Spark Boilerplate Tests
+run-name: Spark boilerplate tests
+on: [push]
+jobs:
+  run-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action
+        with:
+          arguments: test