Name this test method correctly. Refs [16334].

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16336 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/many_to_one_null/tests.py

@@ -85,7 +85,7 @@ class ManyToOneNullTests(TestCase):
         self.assertQuerysetEqual(Article.objects.filter(reporter__isnull=True),
                                  ['<Article: First>', '<Article: Fourth>'])
 
-    def test_remove_efficiency(self):
+    def test_clear_efficiency(self):
         r = Reporter.objects.create()
         for _ in xrange(3):
             r.article_set.create()