[ticket/13073] Correctly generate routes from subfolders like /adm * marc1706/ticket/13073: [ticket/13073] Remove _test suffix from common test class [ticket/13073] Switch $input with $expected and add paths with letters [ticket/13073] Use abstract class for controller helper route tests [ticket/13073] Add path regex to get_preg_expression() and add unit tests [ticket/13073] Use just one regex in helper route() [ticket/13073] Properly place comments in helper [ticket/13073] Use correct class names in test files [ticket/13073] Rework route tests and add tests for more directory types [ticket/13073] Test that routes from subfolders like /adm work [ticket/13073] Add tests for routes from adm pages [ticket/13073] Add phpbb root path with mod rewrite enabled for proper routes