@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); }