assertFalse(
        "Maps of different sizes should not be equal.", getMap().equals(newHashMap(fewerEntries)));
  }

  public void testEquals_largerMap() {
    Collection<Entry<K, V>> moreEntries = getSampleEntries(getNumEntries() + 1);
    assertFalse(
        "Maps of different sizes should not be equal.", getMap().equals(newHashMap(moreEntries)));
  }