Rollback and update test description info

1.Rollback to https://github.com/xiaojunwu/web-platform-tests/commit/eea573cc85008af1f20fe00d3604b8e9f702fe1f
2.Update the documents' title and assert description of tests

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>