assertEquals(tags, elevateWord.getTags());
        assertNotNull(elevateWord.getRoles());
        assertTrue(elevateWord.getRoles().isEmpty());
    }

    @Test
    public void testConstructorWithNullTagsAndRoles() {
        // Test constructor with both null tags and roles
        String word = "test word";
        float boost = 3.0f;
        List<String> readings = Arrays.asList("reading1", "reading2", "reading3");