@Before
  public void setUp() throws Exception {
    File baseForTest = new File(System.getProperty("java.io.tmpdir"), "tmpTest");
    baseForTest.mkdir();
    tmpFs = TemporaryFilesystem.getTmpFsBasedOn(baseForTest);

    inputDir = tmpFs.createTempDir("input", "ziptest");
    outputDir = tmpFs.createTempDir("output", "ziptest");

    zip = new Zip();
  }
 @After
 public void tearDown() throws Exception {
   tmpFs.deleteTemporaryFiles();
 }