add test workflow

Author: delatrie

.github/workflows/test.yml

@@ -0,0 +1,16 @@
+name: Run tests
+on: [push]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: zulu
+          java-version: 17
+
+      - name: Run tests
+        run: ./gradlew clean test