}

    /**
     * Verify that the message + rootCause constructor stores the root.
     */
    @Test
    @DisplayName("Message + root cause stores root cause")
    void testStringAndThrowableConstructor() {
        Throwable root = mock(Throwable.class);
        SmbException ex = new SmbException("oops", root);
        assertSame(root, ex.getRootCause());
    }

    /**