Removed athost tests
Even test on details element
ref test for wbr
use Ahem font to force the rendering
update spec link
fix ref test and add <meta name="flags" content"ahem>
Change text to make sure the ref test passes only if the Ahem font is loaded
test toggle event attributes
add more use cases
update test description
refactor common assertions
fix
rm whitespaces
Added support for bind_hostname options.

See also related wptserve PR https://github.com/w3c/wptserve/pull/10
Match new args to start_http_server() to wptserve.
Added "webdriver" to manifest blacklist.
Un-global bind_hostname & pass it properly instead
additional mathml tests as requested by Denis Ah-Kang
Removed tests using pseudo element

Support for pseudo element has been removed from the spec. These tests
are now obsolete.
Fixed incorrect type in asserts

Asserts were using strings instead of number for checking
styleSheets.length resulting in failing tests.
Adjusted test expectations for getDistributedNodes

Fallback content is now considered to be distributed in the event that
no match was found for the content selector.
Removed a wonky test

The test is failing but Dev Tools shows that event.path is a NodeList...
Michael Cooper, from WAI, confirmed that much of the testing needed for
HTML 5 was done during the PF testing of ARIA.

This is just a pointer to their test suite.
Moved/Updated obsolete test for olderShadowRoot

The test was using olderShadowRoot on the Shadow element. This attribute
is now part of the ShadowRoot interface.