updateCheckManager.touch(a, remoteRepository, null);

        assertFalse(updateCheckManager.isUpdateRequired(a, remoteRepository));

        assertNull(
                updateCheckManager.readLastUpdated(touchFile, updateCheckManager.getRepositoryKey(remoteRepository)));

        assertFalse(updateCheckManager.getTouchfile(a).exists());
    }

    @Test
    void testMissingArtifact() throws Exception {

            // TODO throw something instead?
            return true;
        }

        Date lastCheckDate = readLastUpdated(metadata, repository, file);

        return (lastCheckDate == null) || policy.checkOutOfDate(lastCheckDate);
    }

    private Date readLastUpdated(RepositoryMetadata metadata, ArtifactRepository repository, File file) {
        File touchfile = getTouchfile(metadata, file);