// First byte should be 'T' in UTF-16LE (0x54)
            assertEquals(0x54, buffer[10] & 0xFF);
        }

        @Test
        @DisplayName("Test write string without Unicode")
        void testWriteStringNonUnicode() {
            testBlock.setUseUnicode(false);
            byte[] buffer = new byte[100];
            String testString = "Test";

            when(mockConfig.getOemEncoding()).thenReturn("UTF-8");