objectListing.getCommonPrefixes() >> ['root/SNAPSHOT']

        S3ResourceResolver resolver = new S3ResourceResolver()

        when:
        def results = resolver.resolveResourceNames(objectListing)

        then:
        results == ['some.jar', 'someOther.jar', 'SNAPSHOT']
    }

    def "should clean common prefixes"() {
        setup:
        ObjectListing objectListing = Mock()

        ImmutableList.Builder<String> builder = ImmutableList.builder();
        builder.addAll(resourceResolver.resolveResourceNames(objectListing));

        while (objectListing.isTruncated()) {
            objectListing = amazonS3Client.listNextBatchOfObjects(objectListing);
            builder.addAll(resourceResolver.resolveResourceNames(objectListing));
        }
        return builder.build();
    }

                String group = matcher.group(0);
                return group.contains(".") ? group : null;
            }
            return null;
        }
    };

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

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