removed test for unique index as it's not possible to insert two docs with the same key now that writes are safe

Author: Mark Unsworth

tests/mongodb/tests.py

@@ -267,12 +267,6 @@ def test_setup(flags, **method_kwargs):
             update={'multi': True},
             remove={'fsync': True})
 
-    def test_unique(self):
-        with self.custom_database_wrapper({'OPTIONS': {}}):
-            Post.objects.create(title='a', content='x')
-            Post.objects.create(title='a', content='y')
-            self.assertEqual(Post.objects.count(), 1)
-            self.assertEqual(Post.objects.get().content, 'x')
 
     def test_unique_safe(self):
         Post.objects.create(title='a')