}

    @Test void mixesInEachPropertyOfConventionObject() {
        assertEquals(convention1.b, convention.extensionsAsDynamicObject.b)
    }

    @Test void conventionObjectsPropertiesHavePrecedenceAccordingToOrderAdded() {
        assertEquals(convention1.a, convention.extensionsAsDynamicObject.a)
    }

    @Test void canSetConventionObjectProperties() {