Actually turn on tracing and upload the resulting failed results

Author: dragid10

.github/workflows/playwright.yml

@@ -41,10 +41,10 @@ jobs:
           sleep $startup_wait
 
           # Run tests
-          python -m pytest tests --tracing=retain-on-failure
+          python -m pytest tests --tracing on --tracing=retain-on-failure
       - uses: actions/upload-artifact@v4
         name: Upload test results
         if: always()
         with:
           name: playwright-traces
-          path: ./tests/
+          path: ./test-results/