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