@Test
 public void rejectKeysMultiValues() {
   Multimap<String, Integer> multimap =
       this.newMultimapWithKeysValues("One", 1, "One", 12, "Two", 2, "Two", 3);
   Multimap<String, Integer> rejectedMultimap =
       multimap.rejectKeysMultiValues(
           (key, values) -> "Two".equals(key) && Iterate.contains(values, 2));
   Assert.assertEquals(this.newMultimapWithKeysValues("One", 1, "One", 12), rejectedMultimap);
 }