public void Validate_GivenAllPropertiesAreValid_ExpectValidationSuccess()
            {
                var model = new CreateRole.Model {
                    Name = "name"
                };
                var validator = new CreateRole.Validator();
                var result    = validator.Validate(model);

                Assert.True(result.IsValid);
            }
            public void Validate_GivenNameIsEmpty_ExpectValidationFailure()
            {
                var model = new CreateRole.Model {
                    Name = string.Empty
                };
                var validator = new CreateRole.Validator();
                var result    = validator.Validate(model);

                Assert.False(result.IsValid);
                Assert.Contains(result.Errors, x => x.PropertyName == "Name");
            }