Re: [fetch-tests] Reduce number of requests in header-values (#4585)

# Firefox (nightly channel) #
Testing web-platform-tests at revision 4a732742f7039e89e613e77d73d8450c35677bc2
Using browser at version BuildID 20170118211214; SourceStamp a5253dce8b67c2248d7b92ef664a6dd6664e7609
Starting 10 test iterations
All results were stable

## All results ##

<details>

<summary><a href="http://w3c-test.org/submissions/4585/fetch/api/headers/header-values.html">/fetch/api/headers/header-values.html</a></summary>


|                     Subtest                      | Results |
|--------------------------------------------------|---------|
|                                                  | OK      |
| `XMLHttpRequest with value x%00x needs to throw` | PASS    |
| `fetch() with value x%00x needs to throw`        | PASS    |
| `fetch() with value x%0Ax needs to throw`        | PASS    |
| `XMLHttpRequest with value x%0Ax needs to throw` | PASS    |
| `fetch() with value x%0Dx needs to throw`        | PASS    |
| `XMLHttpRequest with value x%0Dx needs to throw` | PASS    |
| `XMLHttpRequest with all valid values`           | PASS    |
| `fetch() with all valid values`                  | PASS    |

</details>


View on GitHub: https://github.com/w3c/web-platform-tests/pull/4585#issuecomment-274034605

Received on Friday, 20 January 2017 10:18:41 UTC