The namespace should be `tests\aik099\QATools\PageObject\Url` (the Url was missing). I wonder how you're able to run these tests (where autoloader can't figure out how to load the test).

Idea is to take original namespace (of a tested class) and prepend `tests\` to it. I know this doesn't follow PSR-0, because the tests namespace needs to be located inside the `aik099` (correct: `aik099\tests\...`, incorrect: `tests\aik099\....`), but I hope I can solve that with PSR-4 without moving test directory around.