return hasComponent(VIEW_HELPER);
    }

    /**
     * Checks if query helper is available.
     * @return True if query helper is available, false otherwise.
     */
    public static boolean hasQueryHelper() {
        return hasComponent(QUERY_HELPER);
    }

    /**
     * Checks if popular word helper is available.
     * @return True if popular word helper is available, false otherwise.
     */

        assertTrue(ComponentUtil.hasViewHelper());
    }

    @Test
    public void test_hasQueryHelper() {
        assertFalse(ComponentUtil.hasQueryHelper());

        ComponentUtil.register(new Object(), "queryHelper");
        assertTrue(ComponentUtil.hasQueryHelper());
    }

    @Test
    public void test_hasPopularWordHelper() {
        assertFalse(ComponentUtil.hasPopularWordHelper());