Modified messages to work with unittest2 discovery.

django/contrib/messages/tests/__init__.py

-from django.contrib.messages.tests.cookie import CookieTest
-from django.contrib.messages.tests.fallback import FallbackTest
-from django.contrib.messages.tests.middleware import MiddlewareTest
-from django.contrib.messages.tests.session import SessionTest
-from django.contrib.messages.tests.mixins import SuccessMessageMixinTests
+from django.contrib.messages.tests.test_cookie import CookieTest
+from django.contrib.messages.tests.test_fallback import FallbackTest
+from django.contrib.messages.tests.test_middleware import MiddlewareTest
+from django.contrib.messages.tests.test_session import SessionTest
+from django.contrib.messages.tests.test_mixins import SuccessMessageMixinTests

django/contrib/messages/tests/cookie.py → django/contrib/messages/tests/test_cookie.py

 import json
 
 from django.contrib.messages import constants
-from django.contrib.messages.tests.base import BaseTest
+from django.contrib.messages.tests.test_base import BaseTest
 from django.contrib.messages.storage.cookie import (CookieStorage,
     MessageEncoder, MessageDecoder)
 from django.contrib.messages.storage.base import Message

django/contrib/messages/tests/fallback.py → django/contrib/messages/tests/test_fallback.py

 from django.contrib.messages import constants
 from django.contrib.messages.storage.fallback import (FallbackStorage,
     CookieStorage)
-from django.contrib.messages.tests.base import BaseTest
-from django.contrib.messages.tests.cookie import (set_cookie_data,
+from django.contrib.messages.tests.test_base import BaseTest
+from django.contrib.messages.tests.test_cookie import (set_cookie_data,
     stored_cookie_messages_count)
-from django.contrib.messages.tests.session import (set_session_data,
+from django.contrib.messages.tests.test_session import (set_session_data,
     stored_session_messages_count)
 
 

django/contrib/messages/tests/session.py → django/contrib/messages/tests/test_session.py

 from django.contrib.messages import constants
-from django.contrib.messages.tests.base import BaseTest
+from django.contrib.messages.tests.test_base import BaseTest
 from django.contrib.messages.storage.base import Message
 from django.contrib.messages.storage.session import SessionStorage
 from django.utils.safestring import SafeData, mark_safe