public async Task ThenAnInvitationIsAdded( [Frozen] Mock <IMediator> mediator, [Frozen] Mock <IAuthenticationService> authService, RegistrationController controller, NewEmployerUserViewModel model, string command, string providerName) { //arrange authService.Object.TryGetUserClaimValue(ProviderClaims.DisplayName, out var displayName); mediator.Setup(s => s.Send(It.IsAny <GetProviderByUkprnQuery>(), It.IsAny <CancellationToken>())) .ReturnsAsync(new GetProviderByUkprnQueryResult(providerName)); //act await controller.InviteEmployeruser(model, command); //assert mediator.Verify(x => x.Send(It.Is <AddInvitationCommand>(s => s.EmployerEmail == model.EmployerEmailAddress && s.EmployerFirstName == model.EmployerFirstName && s.EmployerLastName == model.EmployerLastName && s.EmployerOrganisation == model.EmployerOrganisation && s.Ukprn == authService.Object.Ukprn.Value && s.UserRef == authService.Object.UserId && s.ProviderOrganisationName == providerName && s.ProviderUserFullName == displayName), It.IsAny <CancellationToken>()), Times.Once); }