Update test.yml

Author: fsbraun

.github/workflows/test.yml

@@ -28,7 +28,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r tests/requirements/${{ matrix.requirements-file }}
-        python setup.py install
+        pip install -e .
         npm install
         npx webpack
         playwright install --with-deps