@Test
public void testUnzipFile() {

stem.out.println("Test: " + "testUnzipFile");
    File zipFile = new File(FileHelperTest.sampleDir + "test_zip.zip");
    boolean result = false;
    try {
        result = FileHelper.unzipFile(this.tempDir, zipFile);
    } catch (FileNotFoundException ex) {
        Logger.getLogger(FileHelperTest.class.getName()).log(Level.SEVERE, null, ex);
        fail(ex.getMessage());
    } catch (IOException ex) {
        Logger.getLogger(FileHelperTest.class.getName()).log(Level.SEVERE, null, ex);
        fail(ex.getMessage());
    }
    assertTrue(result);
}