Add gradle-test.yml GitHub action

Author: cderszteler

.github/workflows/gradle-test.yml

@@ -0,0 +1,31 @@
+name: Gradle Build
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v2
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'adopt'
+
+      - name: Make gradlew executable
+        run: chmod +x ./gradlew
+
+      - name: Build with Gradle
+        run: ./gradlew build
+
+      - name: Test with Gradle
+        run: ./gradlew test