*       RuntimeException}, return it
   *   <li>If {@code exceptions} has a single exceptions and that exceptions is not a
   *       {@link RuntimeException}, return a simple {@code RuntimeException} that wraps it
   *   <li>Otherwise, return an instance of {@link ClusterException} that wraps the first exception
   *       in the {@code exceptions} collection.
   * </ul>
   *

        // Test that it can be caught as RuntimeException
        try {
            throw new DictionaryExpiredException();
        } catch (RuntimeException e) {
            assertNotNull(e);
            assertTrue(e instanceof DictionaryExpiredException);
        } catch (Exception e) {
            fail("Should have caught as RuntimeException");
        }
    }

        // Test with null message
        RuntimeException nullMessageEx = new RuntimeException();
        assertNull(nullMessageEx.getMessage());

        // Test with empty message
        RuntimeException emptyMessageEx = new RuntimeException("");
        assertEquals("", emptyMessageEx.getMessage());
    }

    // Test JSON response creation helper

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());

        // Test that suppression is enabled
        RuntimeException suppressed = new RuntimeException("Suppressed exception");
        exception.addSuppressed(suppressed);
        assertEquals(1, exception.getSuppressed().length);
        assertEquals(suppressed, exception.getSuppressed()[0]);
    }

        ServletRuntimeException runtimeException = new ServletRuntimeException(servletException);

        // Verify it's an instance of RuntimeException
        assertTrue(runtimeException instanceof RuntimeException);
        assertTrue(runtimeException instanceof Exception);
        assertTrue(runtimeException instanceof Throwable);
    }

    public void test_stackTrace() {
        // Create a ServletException with a specific message

   *       RuntimeException}, return it
   *   <li>If {@code exceptions} has a single exceptions and that exceptions is not a
   *       {@link RuntimeException}, return a simple {@code RuntimeException} that wraps it
   *   <li>Otherwise, return an instance of {@link ClusterException} that wraps the first exception
   *       in the {@code exceptions} collection.
   * </ul>
   *

            updateCalls.add(user);
            if (updateThrowsException) {
                throw new RuntimeException("Update failed");
            }
        }

        @Override
        public void delete(User user) {
            deleteCalls.add(user);
            if (deleteThrowsException) {
                throw new RuntimeException("Delete failed");
            }
        }

        @Override

        assertTrue(exception instanceof RuntimeException);
    }

    public void test_stackTracePresence() {
        // Setup
        final String message = "Test stack trace";
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsSsoLoginError(UserMessages.GLOBAL_PROPERTY_KEY);
        final Exception cause = new RuntimeException("Root cause");

        // Execute

        // This is expected behavior for exceptions with null cause
    }

    public void test_nestedCause() {
        // Test with nested exceptions
        RuntimeException rootCause = new RuntimeException("Root cause");
        ParseException parseException = new ParseException("Parse error");
        parseException.initCause(rootCause);

        });

        // Test with runtime exception
        RuntimeException runtimeException = new IllegalArgumentException("Illegal arg");
        assertDoesNotThrow(() -> {
            RuntimeCIFSException exception = new RuntimeCIFSException(runtimeException);
            assertEquals(runtimeException, exception.getCause());
        });

        // Test with error