Update test suite to use pytest, remove related in setup.py

.github/workflows/test.yml

@@ -43,7 +43,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install tox tox-gh-actions
+        python -m pip install tox tox-gh-actions pytest
     - name: Test with tox
       run: tox
       env:

Makefile

@@ -139,7 +139,7 @@ test-all: clean-pyc
 	$(TOX)
 
 test:
-	$(PYTHON) setup.py test
+	$(PYTHON) -m $(PYTEST)
 
 cov:
 	(cd $(TESTDIR); $(PYTEST) -x --cov="$(PROJ)" --cov-report=html)

requirements/pkgutils.txt

@@ -1,4 +1,4 @@
-setuptools>=40.8.0
+setuptools>=40.8.0,<72
 wheel>=0.33.1
 flake8>=3.8.3
 tox>=2.3.1

setup.py

@@ -3,10 +3,8 @@
 import codecs
 import os
 import re
-import sys
 
 import setuptools
-import setuptools.command.test
 
 NAME = 'django-celery-beat'
 PACKAGE = 'django_celery_beat'
@@ -103,19 +101,6 @@ def reqs(*f):
 
 # -*- %%% -*-
 
-
-class pytest(setuptools.command.test.test):
-    user_options = [('pytest-args=', 'a', 'Arguments to pass to pytest')]
-
-    def initialize_options(self):
-        setuptools.command.test.test.initialize_options(self)
-        self.pytest_args = []
-
-    def run_tests(self):
-        import pytest
-        sys.exit(pytest.main(self.pytest_args))
-
-
 setuptools.setup(
     name=NAME,
     packages=setuptools.find_packages(exclude=[
@@ -134,7 +119,6 @@ def run_tests(self):
     python_requires='>=3.8',
     install_requires=reqs('default.txt') + reqs('runtime.txt'),
     tests_require=reqs('test.txt') + reqs('test-django.txt'),
-    cmdclass={'test': pytest},
     classifiers=classifiers,
     entry_points={
         'celery.beat_schedulers': [