Re: [custom-elements-tests] [custom-elements] Remove duplicated test (#4767)

# Firefox (nightly channel) #
Testing web-platform-tests at revision 2b31706e6d7371d0ce594f1c01f42dd9f1306211
Using browser at version BuildID 20170123125947; SourceStamp 36486fdc3813ef7943ae5b07b4128866d1938a6c
Starting 10 test iterations
All results were stable
## All results ##
<details>
<summary><a href="http://w3c-test.org/submissions/4767/custom-elements/reactions/DOMTokenList.html">/custom-elements/reactions/DOMTokenList.html</a></summary>


|                                                                    Subtest                                                                     | Results |
|------------------------------------------------------------------------------------------------------------------------------------------------|---------|
|                                                                                                                                                | OK      |
| `add on DOMTokenList must not enqueue an attributeChanged reaction when adding an unobserved attribute`                                        | FAIL    |
| `replace on DOMTokenList must not enqueue an attributeChanged reaction when the token to replace does not exist in the attribute`              | FAIL    |
| `replace on DOMTokenList must not enqueue an attributeChanged reaction when replacing a value in an unobserved attribute`                      | FAIL    |
| `toggle on DOMTokenList must enqueue an attributeChanged reaction when removing a value from an attribute`                                     | FAIL    |
| `add on DOMTokenList must not enqueue an attributeChanged reaction when adding a value to an unobserved attribute`                             | FAIL    |
| `add on DOMTokenList must enqueue exactly one attributeChanged reaction when adding multiple values to an attribute`                           | FAIL    |
| `remove on DOMTokenList must enqueue an attributeChanged reaction when removing a value from an attribute`                                     | FAIL    |
| `the stringifier of DOMTokenList must not enqueue an attributeChanged reaction when adding an unobserved attribute`                            | FAIL    |
| `the stringifier of DOMTokenList must enqueue an attributeChanged reaction when the setter is called with the original value of the attribute` | FAIL    |
| `toggle on DOMTokenList must enqueue an attributeChanged reaction when adding a value to an attribute`                                         | FAIL    |
| `the stringifier of DOMTokenList must enqueue an attributeChanged reaction when adding an observed attribute`                                  | FAIL    |
| `add on DOMTokenList must enqueue an attributeChanged reaction when adding a value to an existing attribute`                                   | FAIL    |
| `remove on DOMTokenList must enqueue an attributeChanged reaction even when removing a non-existent value from an attribute`                   | FAIL    |
| `remove on DOMTokenList must not enqueue an attributeChanged reaction when removing a value from an unobserved attribute`                      | FAIL    |
| `remove on DOMTokenList must enqueue exactly one attributeChanged reaction when removing multiple values to an attribute`                      | FAIL    |
| `the stringifier of DOMTokenList must enqueue an attributeChanged reaction when mutating the value of an observed attribute`                   | FAIL    |
| `replace on DOMTokenList must enqueue an attributeChanged reaction when replacing a value in an attribute`                                     | FAIL    |
| `add on DOMTokenList must enqueue an attributeChanged reaction when adding an attribute`                                                       | FAIL    |
| `the stringifier of DOMTokenList must not enqueue an attributeChanged reaction when mutating the value of an unobserved attribute`             | FAIL    |

</details>

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4767#issuecomment-278486865

Received on Wednesday, 8 February 2017 22:44:31 UTC