diff --git a/django/contrib/auth/tests/__init__.py b/django/contrib/auth/tests/__init__.py
index 038c8980d9..2e35e33d7f 100644
--- a/django/contrib/auth/tests/__init__.py
+++ b/django/contrib/auth/tests/__init__.py
@@ -1,29 +1,16 @@
-from django.contrib.auth.tests.custom_user import *
-from django.contrib.auth.tests.auth_backends import *
-from django.contrib.auth.tests.basic import *
-from django.contrib.auth.tests.context_processors import *
-from django.contrib.auth.tests.decorators import *
-from django.contrib.auth.tests.forms import *
-from django.contrib.auth.tests.remote_user import *
-from django.contrib.auth.tests.management import *
-from django.contrib.auth.tests.models import *
-from django.contrib.auth.tests.handlers import *
-from django.contrib.auth.tests.hashers import *
-from django.contrib.auth.tests.signals import *
-from django.contrib.auth.tests.tokens import *
-from django.contrib.auth.tests.views import *
+from django.contrib.auth.tests.test_custom_user import *
+from django.contrib.auth.tests.test_auth_backends import *
+from django.contrib.auth.tests.test_basic import *
+from django.contrib.auth.tests.test_context_processors import *
+from django.contrib.auth.tests.test_decorators import *
+from django.contrib.auth.tests.test_forms import *
+from django.contrib.auth.tests.test_remote_user import *
+from django.contrib.auth.tests.test_management import *
+from django.contrib.auth.tests.test_models import *
+from django.contrib.auth.tests.test_handlers import *
+from django.contrib.auth.tests.test_hashers import *
+from django.contrib.auth.tests.test_signals import *
+from django.contrib.auth.tests.test_tokens import *
+from django.contrib.auth.tests.test_views import *
 
 # The password for the fixture data users is 'password'
-
-from django.dispatch import receiver
-from django.test.signals import setting_changed
-
-
-@receiver(setting_changed)
-def user_model_swapped(**kwargs):
-    if kwargs['setting'] == 'AUTH_USER_MODEL':
-        from django.db.models.manager import ensure_default_manager
-        from django.contrib.auth.models import User
-        # Reset User manager
-        setattr(User, 'objects', User._default_manager)
-        ensure_default_manager(User)
diff --git a/django/contrib/auth/tests/auth_backends.py b/django/contrib/auth/tests/test_auth_backends.py
similarity index 97%
rename from django/contrib/auth/tests/auth_backends.py
rename to django/contrib/auth/tests/test_auth_backends.py
index 20bbb4dbd4..bb97c54a11 100644
--- a/django/contrib/auth/tests/auth_backends.py
+++ b/django/contrib/auth/tests/test_auth_backends.py
@@ -4,7 +4,7 @@ from datetime import date
 from django.conf import settings
 from django.contrib.auth.models import User, Group, Permission, AnonymousUser
 from django.contrib.auth.tests.utils import skipIfCustomUser
-from django.contrib.auth.tests.custom_user import ExtensionUser, CustomPermissionsUser, CustomUser
+from django.contrib.auth.tests.test_custom_user import ExtensionUser, CustomPermissionsUser, CustomUser
 from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ImproperlyConfigured, PermissionDenied
 from django.contrib.auth import authenticate
@@ -263,7 +263,7 @@ class RowlevelBackendTest(TestCase):
     """
     Tests for auth backend that supports object level permissions
     """
-    backend = 'django.contrib.auth.tests.auth_backends.SimpleRowlevelBackend'
+    backend = 'django.contrib.auth.tests.test_auth_backends.SimpleRowlevelBackend'
 
     def setUp(self):
         self.curr_auth = settings.AUTHENTICATION_BACKENDS
@@ -304,7 +304,7 @@ class AnonymousUserBackendTest(TestCase):
     Tests for AnonymousUser delegating to backend.
     """
 
-    backend = 'django.contrib.auth.tests.auth_backends.SimpleRowlevelBackend'
+    backend = 'django.contrib.auth.tests.test_auth_backends.SimpleRowlevelBackend'
 
     def setUp(self):
         self.curr_auth = settings.AUTHENTICATION_BACKENDS
@@ -348,7 +348,7 @@ class InActiveUserBackendTest(TestCase):
     """
     Tests for a inactive user
     """
-    backend = 'django.contrib.auth.tests.auth_backends.SimpleRowlevelBackend'
+    backend = 'django.contrib.auth.tests.test_auth_backends.SimpleRowlevelBackend'
 
     def setUp(self):
         self.curr_auth = settings.AUTHENTICATION_BACKENDS
@@ -386,7 +386,7 @@ class PermissionDeniedBackendTest(TestCase):
     """
     Tests that other backends are not checked once a backend raises PermissionDenied
     """
-    backend = 'django.contrib.auth.tests.auth_backends.PermissionDeniedBackend'
+    backend = 'django.contrib.auth.tests.test_auth_backends.PermissionDeniedBackend'
 
     def setUp(self):
         self.user1 = User.objects.create_user('test', 'test@example.com', 'test')
diff --git a/django/contrib/auth/tests/basic.py b/django/contrib/auth/tests/test_basic.py
similarity index 94%
rename from django/contrib/auth/tests/basic.py
rename to django/contrib/auth/tests/test_basic.py
index ec94fe5b46..6b1dd3af05 100644
--- a/django/contrib/auth/tests/basic.py
+++ b/django/contrib/auth/tests/test_basic.py
@@ -6,17 +6,29 @@ import locale
 from django.contrib.auth import get_user_model
 from django.contrib.auth.management.commands import createsuperuser
 from django.contrib.auth.models import User, AnonymousUser
-from django.contrib.auth.tests.custom_user import CustomUser
+from django.contrib.auth.tests.test_custom_user import CustomUser
 from django.contrib.auth.tests.utils import skipIfCustomUser
 from django.core.exceptions import ImproperlyConfigured
 from django.core.management import call_command
+from django.dispatch import receiver
 from django.test import TestCase
+from django.test.signals import setting_changed
 from django.test.utils import override_settings
 from django.utils import translation
 from django.utils.encoding import force_str
 from django.utils.six import binary_type, PY3, StringIO
 
 
+@receiver(setting_changed)
+def user_model_swapped(**kwargs):
+    if kwargs['setting'] == 'AUTH_USER_MODEL':
+        from django.db.models.manager import ensure_default_manager
+        from django.contrib.auth.models import User
+        # Reset User manager
+        setattr(User, 'objects', User._default_manager)
+        ensure_default_manager(User)
+
+
 def mock_inputs(inputs):
     """
     Decorator to temporarily replace input/getpass to allow interactive
diff --git a/django/contrib/auth/tests/context_processors.py b/django/contrib/auth/tests/test_context_processors.py
similarity index 100%
rename from django/contrib/auth/tests/context_processors.py
rename to django/contrib/auth/tests/test_context_processors.py
diff --git a/django/contrib/auth/tests/custom_user.py b/django/contrib/auth/tests/test_custom_user.py
similarity index 100%
rename from django/contrib/auth/tests/custom_user.py
rename to django/contrib/auth/tests/test_custom_user.py
diff --git a/django/contrib/auth/tests/decorators.py b/django/contrib/auth/tests/test_decorators.py
similarity index 95%
rename from django/contrib/auth/tests/decorators.py
rename to django/contrib/auth/tests/test_decorators.py
index 5aff375498..a53dcd5bb7 100644
--- a/django/contrib/auth/tests/decorators.py
+++ b/django/contrib/auth/tests/test_decorators.py
@@ -1,5 +1,5 @@
 from django.contrib.auth.decorators import login_required
-from django.contrib.auth.tests.views import AuthViewsTestCase
+from django.contrib.auth.tests.test_views import AuthViewsTestCase
 from django.contrib.auth.tests.utils import skipIfCustomUser
 
 
diff --git a/django/contrib/auth/tests/forms.py b/django/contrib/auth/tests/test_forms.py
similarity index 100%
rename from django/contrib/auth/tests/forms.py
rename to django/contrib/auth/tests/test_forms.py
diff --git a/django/contrib/auth/tests/handlers.py b/django/contrib/auth/tests/test_handlers.py
similarity index 100%
rename from django/contrib/auth/tests/handlers.py
rename to django/contrib/auth/tests/test_handlers.py
diff --git a/django/contrib/auth/tests/hashers.py b/django/contrib/auth/tests/test_hashers.py
similarity index 100%
rename from django/contrib/auth/tests/hashers.py
rename to django/contrib/auth/tests/test_hashers.py
diff --git a/django/contrib/auth/tests/management.py b/django/contrib/auth/tests/test_management.py
similarity index 100%
rename from django/contrib/auth/tests/management.py
rename to django/contrib/auth/tests/test_management.py
diff --git a/django/contrib/auth/tests/models.py b/django/contrib/auth/tests/test_models.py
similarity index 100%
rename from django/contrib/auth/tests/models.py
rename to django/contrib/auth/tests/test_models.py
diff --git a/django/contrib/auth/tests/remote_user.py b/django/contrib/auth/tests/test_remote_user.py
similarity index 98%
rename from django/contrib/auth/tests/remote_user.py
rename to django/contrib/auth/tests/test_remote_user.py
index 0e59b291a8..dae61afed5 100644
--- a/django/contrib/auth/tests/remote_user.py
+++ b/django/contrib/auth/tests/test_remote_user.py
@@ -137,7 +137,7 @@ class RemoteUserNoCreateTest(RemoteUserTest):
     """
 
     backend =\
-        'django.contrib.auth.tests.remote_user.RemoteUserNoCreateBackend'
+        'django.contrib.auth.tests.test_remote_user.RemoteUserNoCreateBackend'
 
     def test_unknown_user(self):
         num_users = User.objects.count()
@@ -174,7 +174,7 @@ class RemoteUserCustomTest(RemoteUserTest):
     """
 
     backend =\
-        'django.contrib.auth.tests.remote_user.CustomRemoteUserBackend'
+        'django.contrib.auth.tests.test_remote_user.CustomRemoteUserBackend'
     # REMOTE_USER strings with email addresses for the custom backend to
     # clean.
     known_user = 'knownuser@example.com'
diff --git a/django/contrib/auth/tests/signals.py b/django/contrib/auth/tests/test_signals.py
similarity index 100%
rename from django/contrib/auth/tests/signals.py
rename to django/contrib/auth/tests/test_signals.py
diff --git a/django/contrib/auth/tests/tokens.py b/django/contrib/auth/tests/test_tokens.py
similarity index 100%
rename from django/contrib/auth/tests/tokens.py
rename to django/contrib/auth/tests/test_tokens.py
diff --git a/django/contrib/auth/tests/views.py b/django/contrib/auth/tests/test_views.py
similarity index 100%
rename from django/contrib/auth/tests/views.py
rename to django/contrib/auth/tests/test_views.py