adding tests job to workflows

Author: gustaavik

.github/workflows/test-application.yml

@@ -0,0 +1,34 @@
+name: Run Tests
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  run-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+
+    - name: Cache Maven packages
+      uses: actions/cache@v2
+      with:
+        path: ~/.m2/repository
+        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+        restore-keys: |
+          ${{ runner.os }}-maven-
+
+    - name: Install dependencies
+      run: mvn install -DskipTests
+
+    - name: Run tests
+      run: mvn test