public static boolean deleteQuietly(@Nullable File file) {
    if (file == null) {
      return false;
    }
    return deleteQuietly(file.toPath());
  }
@Test
  public void deleteQuietly_does_not_fail_if_file_does_not_exist() throws IOException {
    File file = new File(temporaryFolder.newFolder(), "blablabl");
    assertThat(file).doesNotExist();

    FileUtils.deleteQuietly(file);
  }