Fix multiple_database test. Creating relationship to unsaved instance is no longer allowed

Author: aburgel

tests/multiple_database/tests.py

@@ -301,30 +301,20 @@ def test_o2o_cross_database_protection(self):
         bob_profile = UserProfile.objects.using('other').create(user=bob, flavor='crunchy frog')
 
         new_bob_profile = UserProfile(flavor="spring surprise")
+        new_bob_profile.save(using='other')
 
         charlie = User(username='charlie',email='[email protected]')
         charlie.set_unusable_password()
-
-        # initially, no db assigned
-        self.assertEqual(new_bob_profile._state.db, None)
-        self.assertEqual(charlie._state.db, None)
+        charlie.save(using='other')
 
         # old object comes from 'other', so the new object is set to use 'other'...
         new_bob_profile.user = bob
         charlie.userprofile = bob_profile
         self.assertEqual(new_bob_profile._state.db, 'other')
         self.assertEqual(charlie._state.db, 'other')
 
-        # ... but it isn't saved yet
-        self.assertEqual(list(User.objects.using('other').values_list('username',flat=True)),
-                          [u'bob'])
-        self.assertEqual(list(UserProfile.objects.using('other').values_list('flavor',flat=True)),
-                           [u'crunchy frog'])
-
         # When saved (no using required), new objects goes to 'other'
-        charlie.save()
         bob_profile.save()
-        new_bob_profile.save()
         self.assertEqual(list(User.objects.using('default').values_list('username',flat=True)),
                           [u'alice'])
         self.assertEqual(list(User.objects.using('other').values_list('username',flat=True)),