Remove pytest-xdist

Author: 5yutan5

.github/workflows/test.yml

@@ -33,7 +33,7 @@ jobs:
       - run: poetry run pip install -U ${{ matrix.qt }}
 
       - run: >-
-          poetry run pytest --color=yes -n auto --cov
+          poetry run pytest --color=yes --cov
           --cov-report=term-missing --cov-report=xml
 
       - uses: codecov/codecov-action@v3
@@ -66,7 +66,7 @@ jobs:
           poetry-install--only: github-actions,test,main
 
       - run: >-
-          poetry run pytest --color=yes -n auto --cov
+          poetry run pytest --color=yes --cov
           --cov-report=term-missing --cov-report=xml
           --ignore=tests/test_widget_gallery.py
           --ignore=tests/test_qdarktheme_with_qt.py

poetry.lock

@@ -58,7 +58,6 @@ pytest-randomly = "^3.12.0"
 pytest-qt = "^4.2.0"
 pytest-xvfb = "^2.0.0"
 pytest-mock = "^3.10.0"
-pytest-xdist = "^3.0.2"
 
 [tool.poetry.group.docs.dependencies]
 # Latest of Sphinx and flake8 cause dependency comflict.