The files in this directory are non-infrastructure support files that can be used by tests.
* `blank.html` - An empty HTML document.
* `domain-setter.sub.html` - An HTML document that sets `document.domain`.
* `dummy.xhtml` - An XHTML document.
* `dummy.xml` - An XML document.
* `text-plain.txt` - A text/plain document.
* `*.js` - Utility scripts. These are documented in the source.
* `*.py` - wptserve [Python Handlers](
https://web-platform-tests.org/writing-tests/python-handlers/). These are documented in the source.
* `security-features` - Documented in `security-features/README.md`.
