assertEquals(word, elevateWord.getElevateWord());
        SuggestItem suggestItem = elevateWord.toSuggestItem();
        assertEquals(word, suggestItem.getText());
    }

    @Test
    public void testWithJapaneseCharacters() {
        // Test with Japanese characters
        String word = "日本語テスト";
        float boost = 2.0f;
        List<String> readings = Arrays.asList("ニホンゴテスト");