@BeforeEach
        void setup() {
            testBlock = new TestServerMessageBlock(mockConfig);
        }

        @Test
        @DisplayName("Test write string with Unicode")
        void testWriteStringUnicode() {
            testBlock.setUseUnicode(true);
            byte[] buffer = new byte[100];
            String testString = "Test";

            int bytesWritten = testBlock.writeString(testString, buffer, 10);