Add pytest-xdist and enable it on CI. (#240)

Author: wRAR

.github/workflows/test.yml

@@ -56,7 +56,7 @@ jobs:
         python -m pip install tox
     - name: tox
       run: |
-        tox -e ${{ matrix.toxenv || 'py' }}
+        tox -e ${{ matrix.toxenv || 'py' }} -- -n auto
     - name: coverage
       uses: codecov/codecov-action@v4
       with:

tox.ini

@@ -6,6 +6,7 @@ deps =
     pytest
     pytest-cov
     pytest-twisted
+    pytest-xdist
 commands =
     py.test \
     --cov-report=term-missing \