[#4] handle not available user. better indentation of code
Revert "[#4] handle not available user. better indentation of code"

This reverts commit 65120cab9c3a0e3c37d211a67f3c7499142d5a4d.
[#4] edited flashing of missed user
Init unittest. Basic user unit test.
Merge branch 'feature/auth' into develop