Bug 1499017 [wpt PR 13517] - XHR: test unusual header name syntax, a=testonly

Automatic update from web-platform-testsXHR: test unusual header name syntax

For https://github.com/httpwg/http-core/issues/30.

--

wpt-commits: b3e1de8dc92db9c4f400e622c9ff1582566d61fa
wpt-pr: 13517

testing/web-platform/tests/xhr/setrequestheader-header-allowed.htm

@@ -28,6 +28,7 @@
       request("If")
       request("Status-URI")
       request("X-Pink-Unicorn")
+      request("!#$%&'*+-.^_`|~0123456789abcdefghijklmnopqrstuvwxyz")
     </script>
   </body>
 </html>