fix: Fix smoke tests and E2E fixture scope issues

- Disable coverage plugin for smoke tests (pytest-cov not installed)
- Change base_url fixture scope to session (pytest-playwright compatibility)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.github/workflows/test.yml

@@ -140,7 +140,7 @@ jobs:
 
       - name: Run smoke tests
         run: |
-          pytest tests/smoke/test_production_health.py -v
+          pytest tests/smoke/test_production_health.py -v -p no:cov --override-ini="addopts="
         env:
           PROD_URL: https://nordabiznes.pl
 

tests/e2e/test_login_flow.py

@@ -33,7 +33,7 @@ TEST_ADMIN_PASSWORD = 'cSfQbbwegwv1v3Q2Dm0Q'
 BASE_URL = os.environ.get('BASE_URL', 'https://staging.nordabiznes.pl')
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def base_url():
     """Get base URL for tests."""
     return BASE_URL