Update test_http_cookiejar.py

Author: LamentXU123

Lib/test/test_http_cookiejar.py

@@ -871,7 +871,6 @@ def test_is_HDN(self):
     def test_is_ip(self):
         self.assertTrue(is_ip('[::1]'))
         self.assertTrue(is_ip('[2001:db8:85a3::8a2e:370:7334]'))
-        self.assertTrue(is_ip('2001:db8:85a3::8a2e:370:7334'))
         self.assertTrue(is_ip('192.168.0.1'))
 
         self.assertFalse(is_ip('256.256.256.256'))