long actualInterval = (Long) field.get(dataIndexHelper);
            assertEquals(interval, actualInterval);
        } catch (Exception e) {
            fail("Failed to verify crawlingExecutionInterval: " + e.getMessage());
        }
    }

    @Test
    public void test_setCrawlerPriority() {
        int priority = Thread.NORM_PRIORITY; // Use normal priority for tests
        dataIndexHelper.setCrawlerPriority(priority);

            fail("Should throw exception for non-existent property");
        } catch (ConfigPropertyNotFoundException e) {
            // Expected exception
            assertTrue(e.getMessage().contains("non.existent.property"));
        }
    }

    // Test system property without prefix
    @Test
    public void test_get_systemPropertyWithoutPrefix() {

        // Execute and verify
        CIFSException thrown = assertThrows(CIFSException.class, () -> {
            watchHandle.watch();
        });

        assertEquals("Watch operation failed", thrown.getMessage());
        verify(watchHandle, times(1)).watch();
    }

    /**
     * Test call() method delegates to watch()
     */
    @Test
    void testCall() throws CIFSException {

                    "1 problem was encountered while building the effective toolchains" + LS
                            + "[FATAL] Non-parseable toolchains (memory): MESSAGE @ line 4, column 2" + LS,
                    e.getMessage());
        }
    }

    @Test
    void testIOException() throws Exception {
        Source src = mock(Source.class);
        IOException ioException = new IOException("MESSAGE");

        try {
            deferred.promise().getResponse(5, TimeUnit.SECONDS);
            fail();
        } catch (SuggesterException e) {
            assertEquals("An error occurred during the deferred computation.", e.getMessage());
        }
    }

    // ============================================================
    // Edge case tests for timeout handling
    // ============================================================

     *
     * @param statusCode The HTTP status code
     * @param e The exception that caused this WebApiException
     */
    public WebApiException(final int statusCode, final Exception e) {
        this(statusCode, e.getMessage(), e);
    }

                NullPointerException.class,
                () -> new FileSource((File) null),
                "Should fail, since you must specify a file");
        assertEquals("file cannot be null", e.getMessage());
    }

    @Test
    void testGetInputStream() throws Exception {
        File txtFile = new File("target/test-classes/source.txt");
        FileSource source = new FileSource(txtFile);

                    return getToolchainV3(v4Toolchain);
                } catch (ToolchainFactoryException e) {
                    throw new MisconfiguredToolchainException(e.getMessage(), e);
                }
            }

            @Override
            public ToolchainPrivate createDefaultToolchain() {
                try {
                    return v4Factory

            if (logger.isDebugEnabled()) {
                logger.debug(e.getMessage(), e);
            }
            throwValidationErrorApi(e.getMessageCode());
        } catch (final ResultOffsetExceededException e) {
            if (logger.isDebugEnabled()) {
                logger.debug(e.getMessage(), e);
            }

 *       }
 *     });
 *   }
 *
 *   public void test() {
 *     SomeClass.foo();
 *     LogRecord firstRecord = handler.getStoredLogRecords().get(0);
 *     assertEquals("some message", firstRecord.getMessage());
 *   }
 * </pre>
 *
 * @author Kevin Bourrillion
 * @since 10.0
 */
@GwtCompatible
@NullMarked
public class TestLogHandler extends Handler {
  private final Object lock = new Object();