assertFalse(SmbOperationException.ErrorCode.INTERNAL_ERROR.isRetryable());
    }

    @Test
    @DisplayName("Should test predefined retry policies")
    void testPredefinedRetryPolicies() {
        // DEFAULT policy
        SmbOperationException.RetryPolicy defaultPolicy = SmbOperationException.RetryPolicy.DEFAULT;
        assertEquals(3, defaultPolicy.getMaxAttempts());