The tests in this directory are for script elements moved between documents. Use ``` $ tools/generate.py ``` to generate test HTML files (except for tests in subdirectories). Background: - https://www.w3.org/Bugs/Public/show_bug.cgi?id=11323 - https://github.com/whatwg/html/issues/2137 - https://github.com/whatwg/html/issues/2469 - https://github.com/whatwg/html/pull/2673