checkHelperVersion(NO_UNSAFE, "AtomicReferenceFieldUpdaterAtomicHelper");
    checkHelperVersion(NO_ATOMIC_REFERENCE_FIELD_UPDATER, "SynchronizedHelper");

    // Then, run the actual tests under each alternative classloader:

    /*
     * Under Java 8, there is no need to test the no-VarHandle case here: It's already tested by the

        * FSGroup - a special supplemental group
        * SELinux options
     * If a pod defines an FSGroup, that Pod’s system (emptyDir, secret, configMap,
etc) volumes and block-device volumes will be owned by the FSGroup, and each
container in the pod will run with the FSGroup as a supplemental group
  * Volumes that support SELinux labelling are now automatically relabeled with the
Pod’s SELinux context, if specified

          }
        };

    ExecutionException ee1 = getExpectingExecutionException(future);
    ExecutionException ee2 = getExpectingExecutionException(future);

    // Ensure we get a unique execution exception on each get
    assertNotSame(ee1, ee2);

    assertThat(ee1).hasCauseThat().isSameInstanceAs(failure);
    assertThat(ee2).hasCauseThat().isSameInstanceAs(failure);

    checkStackTrace(ee1);
    checkStackTrace(ee2);

    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return Lists.newArrayList(iterator()).toArray(array);
    }
  }

  /**
   * Returns a collection that applies {@code function} to each element of {@code fromCollection}.
   * The returned collection is a live view of {@code fromCollection}; changes to one affect the
   * other.
   *

   *
   * <ul>
   *   <li>{@code equivalent(x, x)} is true (<i>reflexive</i> property)
   *   <li>{@code equivalent(x, y)} and {@code equivalent(y, x)} each return the same result
   *       (<i>symmetric</i> property)
   *   <li>If {@code equivalent(x, y)} and {@code equivalent(y, z)} are both true, then {@code
   *       equivalent(x, z)} is also true (<i>transitive</i> property)

   * Returns true if the edges in this graph are directed. Directed edges connect a {@link
   * EndpointPair#source() source node} to a {@link EndpointPair#target() target node}, while
   * undirected edges connect a pair of nodes to each other.
   */
  @Override
  boolean isDirected();

  /**
   * Returns true if this graph allows self-loops (edges that connect a node to itself). Attempting

 *   <li>Handling cases where no URL is in the queue</li>
 *   <li>Handling cases where no response processor or rule is found</li>
 *   <li>Handling system errors</li>
 * </ul>
 *
 * <p>
 * Each logging method checks the log level before logging the message.
 * The log level can be configured in the Log4j2 configuration file.
 * </p>
 *
 */
public class LogHelperImpl implements LogHelper {

    @Mock
    private CommonServerMessageBlock disconnectRequest;

    @Mock
    private CommonServerMessageBlockRequest nextRequest;

    @BeforeEach
    void setUp() {
        // Reset mocks before each test
        reset(request, response, context, disconnectRequest, nextRequest);
    }

    @Test
    @DisplayName("Test initResponse returns initialized response")
    void testInitResponse() {
        // Given

 *
 * @author shinsuke
 */
public class CrawlingParameterUtilTest extends PlainTestCase {

    @Override
    protected void tearDown() throws Exception {
        // Clean up ThreadLocal variables after each test
        CrawlingParameterUtil.setUrlQueue(null);
        CrawlingParameterUtil.setCrawlerContext(null);
        CrawlingParameterUtil.setUrlQueueService(null);
        CrawlingParameterUtil.setDataService(null);

                executor.shutdownNow();
            }
        }

        long elapsed = (System.nanoTime() - time) / 1000000;
        // Different hosts should NOT wait for each other
        assertTrue(elapsed + " should be much less than " + (waittime * numTasks), elapsed < waittime * numTasks / 2);
    }

    /**
     * Test that file:// URLs are not delayed
     */