The unittest module bootstrap should not make a second Kohana::modules call unless required, as this may have side-effects. For preference the unittest module should already be loaded - eg by koharness. Also updated so that the module can be loaded from any path, so that we don't need separate support for MODPATH vs vendor/kohana/unittest installs.
This was creating a recursive module directory structure, which may have unexpected results.
… to scratch with other modules