Test using a deprecated feature

Pseudo has been removed from the spec. These tests are obsolete.
Delete tests better handled in Aryeh's tests and other tests
delete tests better handled in /html/dom/interfaces.html
Rewrite infraware tests on appcache
Updated distributed to content
Merge remote-tracking branch 'upstream/master' into infraware-forms
revert tests per https://critic.hoppipolla.co.uk/r/738
Fixed wrong expectation and added a counterpoint

In this case the shadow content should not be rendered. Also added a
counterpoint case.
tests for document.{cookie,lastModified,readyState}
set Last-Modified to a specific date and test a specific expected string instead of format
add use case when Last-Modified header is missing
use currentState instead of string
test value when DOMContentLoaded event is fired
Fix a couple of unstable scheduling tests
assert_throws -> _assert_throws in canvas tests.
Merge pull request #917 from w3c/submission/sideshowbarker/assert_throws

Changed assert_throws to _assert_throws in canvas tests.
Merge pull request #612 from deniak/infraware-appcache

Rewrite infraware tests on appcache
Merge pull request #606 from deniak/infraware-forms

Deleted some old tests from Infraware on forms that are better handled in tests we already had from Aryeh. Kept the ones we didn't yet have corresponding tests for from Aryeh.
Merge pull request #769 from deniak/resource-metadata-mgmt

tests for document.{cookie,lastModified,readyState}
Merge pull request #616 from KenjiBaheux/updated-distributed-to-content

Updated distributed to content
Merge pull request #745 from KenjiBaheux/fixed-shadow-test-and-added-counterpoint

Fixed wrong expectation and added a counterpoint