public async void Name_Create_length()
        {
            Mock <IOrganizationRepository> organizationRepository = new Mock <IOrganizationRepository>();

            organizationRepository.Setup(x => x.Get(It.IsAny <int>())).Returns(Task.FromResult(new Organization()));

            var validator = new ApiOrganizationRequestModelValidator(organizationRepository.Object);
            await validator.ValidateCreateAsync(new ApiOrganizationRequestModel());

            validator.ShouldHaveValidationErrorFor(x => x.Name, new string('A', 129));
        }
        private async void BeUniqueByName_Create_Not_Exists()
        {
            Mock <IOrganizationRepository> organizationRepository = new Mock <IOrganizationRepository>();

            organizationRepository.Setup(x => x.ByName(It.IsAny <string>())).Returns(Task.FromResult <Organization>(null));
            var validator = new ApiOrganizationRequestModelValidator(organizationRepository.Object);

            await validator.ValidateCreateAsync(new ApiOrganizationRequestModel());

            validator.ShouldNotHaveValidationErrorFor(x => x.Name, "A");
        }