Prevent duplicate commit + PR django-test runs

.github/workflows/django-tests.yml

@@ -29,14 +29,28 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+
+    - name: Check if event is a push to PR branch
+      id: check_event
+      run: |
+        if [ "${{ github.event_name }}" == "push" ] && [ "${{ github.head_ref }}" != "" ]; then
+          echo "Skipping duplicate workflow run for push to PR branch."
+          exit 78  # Exit with neutral status to mark as skipped
+        fi
+
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:
         python-version: ${{ matrix.python-version }}
+      if: success()
+
     - name: Install Dependencies
+      if: success()
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
+
     - name: Run Tests
+      if: success()
       run: |
         cd app && python manage.py test