public void ItUpdatesTheUsersGamingGroup()
{
BuildDataContextMock(true, true, true);
gamingGroupInviteConsumer.AddNewUserToGamingGroup(currentUser.Id, invitationId);
dataContextMock.AssertWasCalled(mock => mock.Save(Arg<ApplicationUser>.Matches(
user => user.CurrentGamingGroupId == expectedInvitation.GamingGroupId),
Arg<ApplicationUser>.Is.Anything));
}