Fix a bug in the test for document.dir.
Add a test for non-support of the layout attribute on tables.
TITLE fix
enhancing LINK references in the new tests
use a timeout for tests that assert an event should not happen, to catch any implementation that might queue the event for later - just in case
bugfix: removing the statement we're testing was not intentional. Thanks  @ronkorving for catching that mistake
Move pagevisibility/ to page-visibility/ to match /tr shortnames.
shadow-dom: Update a test for shadow root's accessors.

Tests in the original file, test-006.html, are rewritten and are now in
two new files: dom-tree-accessors-002.html and selectors-api-002.html.
Merge pull request #214 from w3c/hallvors/TestTWFTokyoTestFixes

TestTWF tokyo test fixes
Thanks, Ron, Hallvord!
Merge pull request #237 from yutak/shadow-dom/shadow-root-accessors

shadow-dom: Update a test for shadow root's accessors.
sync with DOM
Merge pull request #244 from annevk/patch-2

sync with DOM
Add a test for empty names in HTMLCollection in DOM.
Add more whitespace between tests.
Merge pull request #245 from Ms2ger/HTMLCollection-empty-name

Add a test for empty names in HTMLCollection in DOM.
whitespace
add OfflineAudioContext to vender prefix
file rename
gain node test
remove interface test helper. We'll use WebIDL now.