runBuild("buildGZipTar", true);
        assertTar(".gz", GzipCompressorInputStream::new, true);
    }

    public void testGZipTarDoNotPreserveFileTimestamps() throws IOException {
        runBuild("buildGZipTar", false);
        assertTar(".gz", GzipCompressorInputStream::new, false);
    }

    public void testTar() throws IOException {
        runBuild("buildTar", true);