Unit test UserByNameOrVerifiedEmail query.
Fix unit test names, use Query_ for ctors, and Handler instead of Handle.
Unit test UserHasLocalMembership query.
Fix query unit test method names.
Unit test UserViewBy query.
Fix R# code issues.
Unit test MustBeUnauthenticatedPrincipal validator.
Unit test MustNotContainInvalidUserNameText & MustBeValidUserName.
Unit test EmailMessage entity.
Unit test MustBeVerifiedPassword validator.
Unit test MustEqualPassword validator.
Unit test MustFindEmailAddressById validator.
Move fake validators & validation commands into the tests they work for.
Refactor validator source files to put extension method classes at the top.
Refactor validation classes to make property validator classes internal.
Unit test MustFindLocalMembershipByPrincipal validator.