@Test
void shouldDeleteShallowDirectory() throws IOException {

    File parent = new File("parent");
    parent.mkdir();
    File test = new File("parent/test.txt");
    test.createNewFile();
    assertTrue(parent.isDirectory());
    assertTrue(test.isFile());
    FileUtils.deleteDirectoryRecursively(parent);
    assertFalse(parent.isDirectory());
    assertFalse(test.isFile());
}