@Test
void lookupSomethingPureWrong() {

    final String old = System.getProperty("user.dir");
    String folderName = UUID.randomUUID()
        .toString();
    System.setProperty("user.dir", folderName);
    assertThat(FileUtil.findFolder(folderName)
        .isLeft()).isTrue();
    System.setProperty("user.dir", old);
}