Updated github action workflow

.github/workflows/verify.yaml

@@ -24,6 +24,7 @@ on:
   push:
     branches:
       - main
+      - backend-service
   pull_request:
     branches:
       - main
@@ -58,4 +59,19 @@ jobs:
       - name: "Validate Terrform format"
         working-directory: mxd
         run: |-
-          terraform fmt -check -recursive  
+          terraform fmt -check -recursive
+          
+  End-To-End-Tests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+
+      - name: Change directory to backend-service and run tests
+        run: ./gradlew test
+        working-directory: mxd/backend-service