Remove unnecessary test. Fixes bug 1072841.

Providing a bad status is no longer a failure so this case is not needed.

Change-Id: Id0b2282bf23c3ccd50e967111e943f93fc4ea683

tempest/tests/compute/servers/test_list_servers_negative.py

@@ -140,11 +140,6 @@ def test_list_servers_status_non_existing(self):
         self.assertEqual('200', resp['status'])
         self.assertEqual([], servers)
 
-    def test_list_servers_pass_numeric_status(self):
-        """Return an error when a numeric value for status is specified"""
-        self.assertRaises(exceptions.BadRequest, self.client.list_servers,
-                          {'status': 1})
-
     def test_list_servers_by_limits(self):
         """List servers by specifying limits"""
         resp, body = self.client.list_servers({'limit': 1})