http://test:a{b@localhost  s:http u:test pass:a%7Bb h:localhost p:/

http://test:a{b@localhost http://example.org/ s:http u:test pass:a%7Bb h:localhost p:/
http://localhost?query=a`b  s:http h:localhost p:/ q:?query=a`b

Add a new test to the test file, testing for ` in query
Add a new test to the test file, testing for ` in query

Also adds a base url to the first case so we don't depend on what was previously set in web-platform-tests.

Fixes #11.
