Add test job to commit workflow

.forgejo/workflows/commit.yml

@@ -39,6 +39,33 @@ jobs:
           path: |
             **/build/libs/*.jar
           if-no-files-found: error
+  test:
+    runs-on: docker
+    container:
+      image: git.staropensource.de/infrastructure/actions-docker:java
+    steps:
+      - name: Checkout
+        uses: https://code.forgejo.org/actions/checkout@v4
+      - name: Restore Gradle cache
+        uses: actions/cache/restore@v4
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            gradle-${{ runner.os }}-
+      - name: Run tests
+        run: ./gradlew --no-daemon -Pjava.skipToolchainSpecification=true test
+      - name: Save Gradle cache
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            gradle-${{ runner.os }}-
   build-apidoc:
     runs-on: docker
     container: