assertSame(middleCause, exception.getCause());
        assertSame(rootCause, exception.getCause().getCause());
    }

    @Test
    public void test_nullMessage() {
        final LlmException exception = new LlmException(null);
        assertNull(exception.getMessage());
    }

    @Test
    public void test_emptyMessage() {

        assertEquals(cause, exception.getCause());
        assertTrue(exception.getMessage().contains("Root cause"));
    }

    @Test
    @DisplayName("Should handle null message")
    void testNullMessage() {
        // When/Then
        assertDoesNotThrow(() -> {
            CIFSException exception = new CIFSException((String) null);
            assertNotNull(exception);
        });
    }

    @Test

        assertEquals(rootCause, finalException.getCause().getCause());
    }

    @Test
    @DisplayName("Should handle null message gracefully")
    void testNullMessage() {
        // When/Then
        assertDoesNotThrow(() -> {
            SmbException exception = new SmbException((String) null);
            assertNotNull(exception);
        });
    }

    @Test