public void attached_name_should_be_get_and_set()
        {
            // Sets AttachedName to an object.
            MyEntity instance1 = new MyEntity();

            instance1.SetAttachedName("Instance1");

            // Sets AttachedName to an object (other way).
            MyEntity instance2 = new MyEntity().WithAttachedName("Instance2");

            // Get AttachedName
            instance1.GetAttachedName().Should().Be("Instance1");
            instance2.GetAttachedName().Should().Be("Instance2");
        }