assertEquals(1, item.getKinds().length);
        assertEquals(SuggestItem.Kind.DOCUMENT, item.getKinds()[0]);
        assertNotNull(item.getTimestamp());
    }

    @Test
    public void testMerge() {
        // Test merge static method
        String[] text1 = { "item1" };
        String[][] readings1 = { { "read1" } };
        String[] tags1 = { "tag1" };
        String[] roles1 = { "role1" };