Switched TestCase to SimpleTestCase where possible in Django's tests.

tests/auth_tests/test_mixins.py

@@ -7,7 +7,7 @@ from django.contrib.auth.mixins import (
 from django.contrib.auth.models import AnonymousUser
 from django.core.exceptions import PermissionDenied
 from django.http import HttpResponse
-from django.test import RequestFactory, TestCase
+from django.test import RequestFactory, SimpleTestCase, TestCase
 from django.views.generic import View
 
 
@@ -111,7 +111,7 @@ class AccessMixinTests(TestCase):
             view(request)
 
 
-class UserPassesTestTests(TestCase):
+class UserPassesTestTests(SimpleTestCase):
 
     factory = RequestFactory()
 

tests/auth_tests/test_models.py

@@ -156,7 +156,7 @@ class UserManagerTestCase(TestCase):
             self.assertIn(char, allowed_chars)
 
 
-class AbstractBaseUserTests(TestCase):
+class AbstractBaseUserTests(SimpleTestCase):
 
     def test_has_usable_password(self):
         """

tests/auth_tests/test_validators.py

@@ -11,7 +11,7 @@ from django.contrib.auth.password_validation import (
 )
 from django.core.exceptions import ValidationError
 from django.db import models
-from django.test import TestCase, override_settings
+from django.test import SimpleTestCase, TestCase, override_settings
 from django.test.utils import isolate_apps
 from django.utils.html import conditional_escape
 
@@ -22,7 +22,7 @@ from django.utils.html import conditional_escape
         'min_length': 12,
     }},
 ])
-class PasswordValidationTest(TestCase):
+class PasswordValidationTest(SimpleTestCase):
     def test_get_default_password_validators(self):
         validators = get_default_password_validators()
         self.assertEqual(len(validators), 2)
@@ -95,7 +95,7 @@ class PasswordValidationTest(TestCase):
         self.assertEqual(password_validators_help_text_html(), '')
 
 
-class MinimumLengthValidatorTest(TestCase):
+class MinimumLengthValidatorTest(SimpleTestCase):
     def test_validate(self):
         expected_error = "This password is too short. It must contain at least %d characters."
         self.assertIsNone(MinimumLengthValidator().validate('12345678'))
@@ -182,7 +182,7 @@ class UserAttributeSimilarityValidatorTest(TestCase):
         )
 
 
-class CommonPasswordValidatorTest(TestCase):
+class CommonPasswordValidatorTest(SimpleTestCase):
     def test_validate(self):
         expected_error = "This password is too common."
         self.assertIsNone(CommonPasswordValidator().validate('a-safe-password'))
@@ -214,7 +214,7 @@ class CommonPasswordValidatorTest(TestCase):
         )
 
 
-class NumericPasswordValidatorTest(TestCase):
+class NumericPasswordValidatorTest(SimpleTestCase):
     def test_validate(self):
         expected_error = "This password is entirely numeric."
         self.assertIsNone(NumericPasswordValidator().validate('a-safe-password'))
@@ -231,7 +231,7 @@ class NumericPasswordValidatorTest(TestCase):
         )
 
 
-class UsernameValidatorsTests(TestCase):
+class UsernameValidatorsTests(SimpleTestCase):
     def test_unicode_validator(self):
         valid_usernames = ['joe', 'René', 'ᴮᴵᴳᴮᴵᴿᴰ', 'أحمد']
         invalid_usernames = [