attributeMatcher.matches(ImmutableList.copyOf(variants), _, _) >> []
        attributeMatcher.matches(transformedVariants, _, _) >> transformedVariants
        matchingCache.findTransformedVariants(_, _) >> transformedVariants

        def selector = variantSelectorFactory.create(dependenciesResolverFactory)

        when:

        AmbiguousArtifactTransformFailure failure = new AmbiguousArtifactTransformFailure(selectedComponentName, requestedAttributes, transformedVariants);
        return describeFailure(schema, failure);
    }