Add support for test parametrization
When test was parametrized, every time it was run in the same directory. It causes problems when test were run simultanously. This change makes, that every test (also parametrized) creates its own directory.
When test was parametrized, every time it was run in the same directory. It causes problems when test were run simultanously. This change makes, that every test (also parametrized) creates its own directory.