String[][] itemReadings = suggestItem.getReadings();
        assertNotNull(itemReadings);
        assertEquals(0, itemReadings.length);
    }

    @Test
    public void testToSuggestItemWithSingleReading() {
        // Test toSuggestItem with single reading
        String word = "single reading";
        float boost = 1.5f;
        List<String> readings = Arrays.asList("reading1");