fix: mount env.test directly in GitHub Actions

- Remove unnecessary copy step
- Mount env.test file directly to /env in container
- This ensures the environment variables are available for Django settings

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: heysamtexas

.github/workflows/test.yml

@@ -16,15 +16,12 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v4
 
-    - name: Copy test environment file
-      run: cp env.test env
-
     - name: Build Docker image
       run: docker build -t dri-test .
 
     - name: Run Django tests
       run: |
         docker run --rm \
-          -v $(pwd)/env:/env \
+          -v $(pwd)/env.test:/env \
           dri-test \
           python manage.py test