[1.7.x] Added spaces to message from 4c39c270.

Backport of add78c58 from master

tests/check_framework/tests.py

@@ -167,10 +167,10 @@ class Django_1_7_0_CompatibilityChecks(TestCase):
             expected = [
                 checks.Warning(
                     "MIDDLEWARE_CLASSES is not set.",
-                    hint=("Django 1.7 changed the global defaults for the MIDDLEWARE_CLASSES."
+                    hint=("Django 1.7 changed the global defaults for the MIDDLEWARE_CLASSES. "
                           "django.contrib.sessions.middleware.SessionMiddleware, "
                           "django.contrib.auth.middleware.AuthenticationMiddleware, and "
-                          "django.contrib.messages.middleware.MessageMiddleware were removed from the defaults."
+                          "django.contrib.messages.middleware.MessageMiddleware were removed from the defaults. "
                           "If your project needs these middleware then you should configure this setting."),
                     obj=None,
                     id='1_7.W001',