Test certificates success and error cards (EXPOSUREAPP-7439, -7454, -7452) (#3356)

* Test certificates success and error cards

* update layout

* rename cards

* fix detekt

* use TestCertificateRepository

* update CertificatesViewModel

* code updates

* Refactoring

* Fix conflicts

Co-authored-by: Juraj Kusnier <jurajkusnier@gmail.com>
Co-authored-by: Juraj Kusnier <jurajkusnier@users.noreply.github.com>
Co-authored-by: Mohamed Metwalli <mohamed.metwalli@sap.com>