Simplifiy tox.ini

For #89

tox.ini

@@ -27,28 +27,21 @@ DJANGO =
     5.1: django51
     main: djangomain
 
-; Dependencies and ENV things we need for all environments:
-[base]
-; Load dependencies from setup.py's extras_require["test"]:
-extras = test
-setenv =
-    DJANGO_SETTINGS_MODULE=tests.settings
-    PYTHONPATH={toxinidir}
-
 [testenv]
+dependency_groups =
+    dev
 deps =
     django42: Django >= 4.2, < 4.3
     django51: Django >= 5.1, < 5.2
     djangomain: https://github.com/django/django/archive/master.tar.gz
-extras =
-    {[base]extras}
 setenv =
-    {[base]setenv}
+    DJANGO_SETTINGS_MODULE=tests.settings
+    PYTHONPATH={toxinidir}
 commands =
     ; posargs will be replaced with anything after the -- when calling tox, eg;
     ; tox -- tests.ditto.tests.test_views.DittoViewTests.test_home_templates
     ; would run that single test (in all environments)
-    coverage run --branch {envbindir}/django-admin test {posargs:}
+    coverage run {envbindir}/django-admin test {posargs:}
     coverage report -m
 
 [testenv:ruff]