* xunit unit tests
* most pass with formatting
* convert objects to xunit
* remove nunit
* format
* merge fixes
* switch objects to fluent assertions
* update to fluent assertions
* more FA
* convert all to FA
* Format
* Fix tests
* formatting
* hopefully made credential test better
* Catch more specific exception
* use another more specific exception
* Fix tests
* update to xunit
* update packages