fail("Expected IllegalStateException");
    } catch (IllegalStateException expected) {
    }
  }

  @GwtIncompatible // we haven't implemented this
  public void testBuilder_orderEntriesByValue_keepingLast() {
    ImmutableMap.Builder<String, Integer> builder =
        new Builder<String, Integer>()
            .orderEntriesByValue(Ordering.natural())
            .put("three", 3)

      fail("Expected IllegalStateException");
    } catch (IllegalStateException expected) {
    }
  }

  @GwtIncompatible // we haven't implemented this
  public void testBuilder_orderEntriesByValue_keepingLast() {
    ImmutableMap.Builder<String, Integer> builder =
        new Builder<String, Integer>()
            .orderEntriesByValue(Ordering.natural())
            .put("three", 3)