Fix method name

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/tests/test_vcs.py

@@ -194,7 +194,7 @@ class VCSGitTest(RepoTestCase):
         self.assertFalse(self.repo.needs_merge(self._branch))
         self.assertFalse(self.repo.needs_push(self._branch))
 
-    def test_needs_commit(self):
+    def test_needs_push(self):
         self.test_commit()
         self.assertTrue(self.repo.needs_push(self._branch))