assertNotNull(response.getWords());
        assertEquals(3, response.getWords().size());
        assertTrue(response.getWords().contains("apple"));
        assertTrue(response.getWords().contains("application"));
        assertTrue(response.getWords().contains("apply"));
    }

    @Test
    public void test_getNum() throws Exception {

        assertNotNull(response.getWords());
        assertEquals(3, response.getWords().size());
        assertTrue(response.getWords().contains("apple"));
        assertTrue(response.getWords().contains("banana"));
        assertTrue(response.getWords().contains("cherry"));
    }

    @Test
    public void test_getNum() throws Exception {

        assertNotNull(response);
        assertTrue(response.getNum() > 0);
        assertTrue(response.getTotal() > 0);
        assertNotNull(response.getWords());
        assertNotNull(response.getIndex());
    }

    @Test
    public void test_setters() throws Exception {
        PopularWordsRequest request = new PopularWordsRequest();

     */
    public long getTookMs() {
        return tookMs;
    }

    /**
     * Returns the list of suggested words.
     * @return The list of words.
     */
    public List<String> getWords() {
        return words;
    }

    /**
     * Returns the number of suggested words.
     * @return The number of words.
     */
    public int getNum() {
        return num;
    }

    /**

     */
    public long getTookMs() {
        return tookMs;
    }

    /**
     * Returns the list of popular words.
     *
     * @return the list of popular words
     */
    public List<String> getWords() {
        return words;
    }

    /**
     * Returns the number of popular words.
     *
     * @return the number of popular words
     */
    public int getNum() {
        return num;