Fix GitHub action

Signed-off-by: Cristian Le <cristian.le@mpsd.mpg.de>

Author: LecrisUT

.github/workflows/tests.yaml

@@ -24,9 +24,7 @@ jobs:
       - uses: actions/checkout@v3
       - name: Set up Python
         uses: actions/setup-python@v4
-      - name: Install pytest
-        run: pip install pytest invocations mock pytest-relaxed
       - name: Setup patchwork
-        run: pip install -e .
+        run: pip install -e .[test]
       - name: Test with pytest
         run: pytest