Add tests to workflow

.github/workflows/build-backend.yml

@@ -9,9 +9,31 @@ env:
     REGISTRY: ghcr.io
     BACKEND_IMAGE_NAME: ${{ github.repository }}-backend
 
-jobs:  
+jobs:
+  run-tests:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: backend
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip setuptools wheel
+          pip install -r test-requirements.txt
+      - name: Test with pytest
+        run: pytest 
   build-backend:
     runs-on: ubuntu-latest
+    needs:
+      - run-tests
     # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
     # GITHUB_TOKEN автоматически создается GitHub перед началом выполнения скрипта
     # https://docs.github.com/en/actions/security-guides/automatic-token-authentication