assertArrayEquals(expectedData, writtenData);
    }

    @Test
    @DisplayName("Test writeDataWireFormat with insufficient buffer space")
    void testWriteDataWireFormatInsufficientBuffer() {
        // Given
        transCallNamedPipe = new TransCallNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_DATA, 0, TEST_DATA.length);
        byte[] dst = new byte[5]; // Buffer too small for TEST_DATA