public void ToDtoTest()
{
var contact = new Contact()
{
Firstname = "Jesper", Lastname = "Aaberg", Email = "*****@*****.**"
};
var contactDto = contact.ToDto();
Assert.AreEqual(contact.Firstname, contactDto.Firstname);
Assert.AreEqual(contact.Lastname, contactDto.Lastname);
Assert.AreEqual(contact.Email, contactDto.Email);
Assert.IsNull(DtoFactory.ToDto(null));
}