@Test
public void testOther() {

  LOG.info("Test other");
  assertTrue(set.addAll(list));
  // to array
  Integer[] array = set.toArray(new Integer[0]);
  assertEquals(NUM, array.length);
  for (int i = 0; i < array.length; i++) {
    assertTrue(list.contains(array[i]));
  }
  assertEquals(NUM, set.size());
  // to array
  Object[] array2 = set.toArray();
  assertEquals(NUM, array2.length);
  for (int i = 0; i < array2.length; i++) {
    assertTrue(list.contains(array2[i]));
  }
  LOG.info("Test capacity - DONE");
}