assertThat(properties.get("groovyDynamicProperty"), equalTo(null));
        assertThat(properties.get("conventionProperty"), equalTo((Object) "conventionProperty"));
    }

    @Test
    public void canGetAllPropertiesFromGroovy() {
        ExtensibleDynamicObjectTestHelper.assertCanGetAllProperties(new Bean());
        ExtensibleDynamicObjectTestHelper.assertCanGetAllProperties(new GroovyBean());