@Test
    public void shouldNotContainEntryValue() {
        final Map<String,Set<Object>> multi = new HashMap<>();
        MultiMap.put(multi, "here", 1);
        MultiMap.put(multi, "there", 2);

        assertThat(MultiMap.containsEntry(multi, "here", 2), is(false));
    }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/util/MultiMapTest.java