@Test
public void onErrorMissingShouldReportNoCustomOnError() {

    LambdaObserver<Integer> o = new LambdaObserver<Integer>(Functions.<Integer>emptyConsumer(),
            Functions.ON_ERROR_MISSING,
            Functions.EMPTY_ACTION,
            Functions.<Disposable>emptyConsumer());
    assertFalse(o.hasCustomOnError());
}