/// <summary>
    /// Uses reflection to set the ID of autor <see cref="ADomainObject{IdT}" />.
    /// </summary>
    public void SetIdOf(ADomainObject domainObject, long id)
    {
        // Set the data property reflectively
        PropertyInfo idProperty = domainObject.GetType().GetProperty(NAME_OF_ID_MEMBER,
            BindingFlags.Public | BindingFlags.Instance);

        Check.Ensure(idProperty != null, "idProperty could not be found");

        idProperty.SetValue(domainObject, id, null);
    }
 public override void setUp()
 {
     do1 = new DomainModelImpl();
     do2 = new DomainModelImpl();
 }