def "should clean common prefixes"() {
        setup:
        ObjectListing objectListing = Mock()
        S3ObjectSummary objectSummary = Mock()
        objectSummary.getKey() >> '/SNAPSHOT/some.jar'
        objectListing.getPrefix() >> 'root/'
        objectListing.getObjectSummaries() >> [objectSummary]
        objectListing.getCommonPrefixes() >> [prefix]

        S3ResourceResolver resolver = new S3ResourceResolver()

        when:

    };

    public List<String> resolveResourceNames(ObjectListing objectListing) {
        List<String> results = new ArrayList<String>();

        results.addAll(resolveFileResourceNames(objectListing));
        results.addAll(resolveDirectoryResourceNames(objectListing));

        return results;
    }

    private List<String> resolveFileResourceNames(ObjectListing objectListing) {