when:
        facet.load(customFacetReader)

        then:
        facet.facets == CUSTOM_FACETS
    }

    def "merge existing and newly added facets"() {
        def constructorFacets = [createSomeFacet()]

        when:
        facet.load(customFacetReader)
        facet.configure(constructorFacets + [CUSTOM_FACETS[0]])

        then:
        facet.facets == CUSTOM_FACETS + constructorFacets
    }