adding tests in pipeline

.github/workflows/ci-cd.yml

@@ -13,8 +13,32 @@ on:
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   # This workflow contains a single job called "build_and_push_backend_image"
+  test_backend:
+      runs-on: ubuntu-latest
+      steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+          recursive: true
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.10'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pytest
+          pip install -r requirements.txt
+
+      - name: Run tests
+        run: |
+          pytest
+
   build_and_push_backend_image:
-    # The type of runner that the job will run on
+    needs: test_backend
     runs-on: ubuntu-latest
 
     # Steps represent a sequence of tasks that will be executed as part of the job