assertFalse(multimap.get("foo") instanceof RandomAccess);
    assertFalse(multimap.get("bar") instanceof RandomAccess);
  }

  @GwtIncompatible // slow (~10s)
  public void testUnmodifiableHashMultimap() {
    checkUnmodifiableMultimap(HashMultimap.<@Nullable String, @Nullable Integer>create(), false);
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester