request.setSkipDuplicateWords(true);
        // Verify setting doesn't throw
        request.setSkipDuplicateWords(false);
    }

    @Test
    public void test_setSize() {
        request.setSize(5);
        request.setSize(100);
        request.setSize(1);
    }

    @Test
    public void test_addTag() {
        request.addTag("tag1");