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

    @Test
    public void testConstructorWithNullRoles() {
        // Test constructor with null roles
        String word = "test word";
        float boost = 1.5f;
        List<String> readings = Arrays.asList("reading1");