Skip test due to a bug in Shoulda Matchers 3
Skip test due to a bug in Shoulda Matchers 3

Skip test until bug is solved:
https://github.com/thoughtbot/shoulda-matchers/issues/814

It is also needed to use the new qualifier `ignoring_case_sensitivity`
to `validate_uniqueness_of` introduced in Shoulda Matchers 3.1.0

SeaGL/osem,AndrewKvalheim/osem,SeaGL/osem,hennevogel/osem,differentreality/osem,rishabhptr/osem,hennevogel/osem,hennevogel/osem,SeaGL/osem,differentreality/osem,hennevogel/osem,openSUSE/osem,AndrewKvalheim/osem,AndrewKvalheim/osem,differentreality/osem,rishabhptr/osem,differentreality/osem,rishabhptr/osem,openSUSE/osem,rishabhptr/osem,openSUSE/osem