assertTrue(exception.getMessage().contains("Disk full"));
    }

    @Test
    @DisplayName("Should have correct retryable flags for error codes")
    void testErrorCodeRetryableFlags() {
        // Retryable errors
        assertTrue(SmbOperationException.ErrorCode.CONNECTION_FAILED.isRetryable());
        assertTrue(SmbOperationException.ErrorCode.CONNECTION_TIMEOUT.isRetryable());