phpunit --filter UrlUtilsTest would execute no tests because the class
was already loaded by the GlobalFunctions data providers via the
autoloader, so PHPUnit sees no additional classes when it examines
UrlUtilsTest.php.
So, split out all providers in UrlUtilsTest to a separate class which
can be safely autoloaded.
Change-Id: I483736ee70e598cdb19f8203bc6885f1c234fc42
The new class, UrlUtils, is usable standalone or as a service. Using it
as a service will just automatically load a few settings from site
configuration.
In addition to just making our code cleaner, this will enable making
some of Setup.php's dynamic configuration more sane.
Test coverage is all lines except invalid URLs -- I couldn't find any.
Bug: T305093
Change-Id: I706ef8a50aafb518e13222719575d274c3583b90
