"multiset.remove(E, 0) didn't return the old count",
        oldCount,
        getMultiset().remove(e0(), 0));
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_occurrences_negative() {
    try {
      getMultiset().remove(e0(), -1);
      fail("multiset.remove(E, -1) didn't throw an exception");
    } catch (IllegalArgumentException required) {
    }
  }

        "multiset.remove(E, 0) didn't return the old count",
        oldCount,
        getMultiset().remove(e0(), 0));
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testRemove_occurrences_negative() {
    try {
      getMultiset().remove(e0(), -1);
      fail("multiset.remove(E, -1) didn't throw an exception");
    } catch (IllegalArgumentException required) {
    }
  }