public void testRemove_occurrences_negative() {
    assertThrows(IllegalArgumentException.class, () -> getMultiset().remove(e0(), -1));
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_occurrences_wrongType() {
    assertEquals(
        "multiset.remove(wrongType, 1) didn't return 0",
        0,
        getMultiset().remove(WrongType.VALUE, 1));
  }

  @CollectionSize.Require(absent = ZERO)