@Test
void lookupExistingFolderIncludingNonWritableFolder() {

    SOME_DIR.mkdir();
    SOME_DIR.setReadable(false);
    String folderName = UUID.randomUUID()
        .toString();
    assertThat(FileUtil.findFolder(folderName)
        .isRight()).isTrue();
    assertThat(FileUtil.findFolder(folderName)
        .get()).isEmpty();
}