public void Execute_NoPrincipal_ShouldSetEmptyPerson()
{
_contextAccessor.Setup(accessor => accessor.HttpContext.User).Returns((ClaimsPrincipal)null);
_sut.Execute(_payload);
var person = _payload.Data.Person;
Assert.True(string.IsNullOrEmpty(person.Id));
Assert.True(string.IsNullOrEmpty(person.Email));
Assert.True(string.IsNullOrEmpty(person.Username));
}