def bean = create(AbstractBean, "a")
        bean.a == "a"

        bean instanceof GeneratedSubclass
        bean.publicType() == AbstractBean

        bean instanceof ModelObject
        bean.modelIdentityDisplayName == null
        !bean.hasUsefulDisplayName()

        bean instanceof OwnerAware

        !(bean instanceof DynamicObjectAware)
        !(bean instanceof ExtensionAware)