public void AdaptShouldReturnValidationResultAdapter()
        {
            // arrange
            var expected = new ValidationResult( "Invalid", new[] { "Foo", "Bar" } );

            // act
            var actual = expected.Adapt();

            // assert
            Assert.Equal( expected.ErrorMessage, actual.ErrorMessage );
            Assert.Equal( expected.MemberNames, actual.MemberNames );
        }