AuthServiceTest: do not test Identity.user() when loginAsNew
AuthServiceTest: do not test Identity.user() when loginAsNew

The implementation will be temporarily broken for this situation
in the following commit. It would take too much effort to preserve
it working so these checks are skipped and will be deleted anyway
very soon.

Signed-off-by: Jan Viktorin <3eab6ac54c005c4408f608556a6663b7f2abede7@fit.vutbr.cz>

BeeeOn/server,BeeeOn/server,BeeeOn/server,BeeeOn/server