public ScanCommand(Logger console) {
    super(console);
  }
@Test
  public void testScanCommand() throws IOException {
    File file = parquetFile();
    ScanCommand command = new ScanCommand(createLogger());
    command.sourceFiles = Arrays.asList(file.getAbsolutePath());
    command.setConf(new Configuration());
    Assert.assertEquals(0, command.run());
  }