new test for setRequestHeader() and open()
Removed athost tests
Tests for the window's length attribute
Update pull request #693

1. Add tests to check the child browsing context by frame, object and embed elements
2. Rename files and etc

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>
Update test2.html as review suggestions
Remvoe an unuseful assertion
reference python file on server instead of php
ws fixes
dropping superfluous variable declaration
Update according to review comments
cc Updated messages.json file.
cc Updated makefile.
Fixed typo in makefile.
Merge pull request #239 from w3c/Moz_Bug_819051_test

new test for setRequestHeader() and open()
Remove assertion for HTMLMediaElement.seeking in the seeking event
Update an assertion
Merge pull request #693 from xiaojunwu/submission/xiaojunwu/window-length

Tests for the window's length attribute
Added idlharness tests for the MSE spec.
Remove pass conditions from currentTime test names

This made it clear that the negative test was already covered.
Merge pull request #716 from foolip/currentTime-test-names

Remove pass conditions from currentTime test names