public void ItUpdatesTheInvitation()
{
BuildDataContextMock(true, true, true);
gamingGroupInviteConsumer.AddNewUserToGamingGroup(currentUser.Id, invitationId);
dataContextMock.AssertWasCalled(mock => mock.Save(Arg<GamingGroupInvitation>.Matches(
ggi => ggi.RegisteredUserId == currentUser.Id
&& ggi.DateRegistered.Value.Date == DateTime.UtcNow.Date),
Arg<ApplicationUser>.Is.Anything));
}