@Test
public void testAuxDataIsInstall() throws Exception {

    Path auxDataPath = SmileCorrectionAuxdata.installAuxdata();
    List<Path> collect = Files.list(auxDataPath).collect(Collectors.toList());
    assertTrue(auxDataPath.isAbsolute());
    assertTrue(collect.stream().anyMatch(path -> path.getFileName().toString().equals("band_info_olci.txt")));
    assertTrue(collect.stream().anyMatch(path -> path.getFileName().toString().equals("band_value.txt")));
}