assertEquals(originalStringTrue, unicodeStringTrue.toString(), "toString should return original string with zterm");

        // Test toString with zterm = false
        String originalStringFalse = "AnotherTest";
        UnicodeString unicodeStringFalse = new UnicodeString(originalStringFalse, false);
        assertEquals(originalStringFalse, unicodeStringFalse.toString(), "toString should return original string without zterm");