queue[size] = null;
      return null;
    }
    E toTrickle = elementData(size);
    queue[size] = null;
    MoveDesc<E> changes = fillHole(index, toTrickle);
    if (lastElementAt < index) {
      // Last element is moved to before index, swapped with trickled element.
      if (changes == null) {
        // The trickled element is still after index.
        return new MoveDesc<>(actualLastElement, toTrickle);
      } else {

      - [Other Notable Changes](#other-notable-changes-15)
  - [Changes to Cluster Provisioning Scripts](#changes-to-cluster-provisioning-scripts)
    - [AWS](#aws-1)
    - [Juju](#juju)
    - [libvirt CoreOS](#libvirt-coreos)
    - [GCE](#gce-1)
    - [OpenStack](#openstack)
    - [Container Images](#container-images)
    - [Other Notable Changes](#other-notable-changes-16)
  - [Changes to Addons](#changes-to-addons)

	// Current version being written.
	xlVersionCurrent [4]byte
)

const (
	// Breaking changes.
	// Newer versions cannot be read by older software.
	// This will prevent downgrades to incompatible versions.
	xlVersionMajor = 1

	// Non breaking changes.
	// Bumping this is informational, but should be done
	// if any change is made to the data stored, bumping this
	// will allow to detect the exact version later.

            // Test that invalid threshold is ignored
            dynamicCircuitBreaker.updateFailureThreshold(-1);
            assertEquals(7, dynamicCircuitBreaker.getCurrentFailureThreshold(), "Threshold should not change for invalid value");

        } finally {
            dynamicCircuitBreaker.close();
        }
    }

    @Test
    public void testBackpressureControl() throws Exception {

     *
     * @return a new FessMessages instance
     */
    @Override
    public FessMessages createMessages() { // application may call
        return new FessMessages(); // overriding to change return type to concrete-class
    }

    // ===================================================================================
    //                                                                        Small Helper

     * to be the case). Thus, this test is more of a regression test.
     *
     * Rough instructions to regenerate the test outputs and verify correctness:
     * - Temporarily change this test:
     * --- Comment out assertEquals.
     * --- System.out.println(input + " " + simplifyPath(input));
     * --- fail(). (If the test were to pass, its output would be hidden.)
     * - Run the test.

   * processing and may run concurrently, for example, if the JVM flag {@code
   * -XX:+ExplicitGCInvokesConcurrent} is used.
   *
   * <p>Whenever possible, it is preferable to test directly for some observable change resulting
   * from GC, as with {@link #awaitClear}. Because there are no guarantees for the order of GC
   * finalization processing, there may still be some unfinished work for the GC to do after this
   * method returns.

     * to be the case). Thus, this test is more of a regression test.
     *
     * Rough instructions to regenerate the test outputs and verify correctness:
     * - Temporarily change this test:
     * --- Comment out assertEquals.
     * --- System.out.println(input + " " + simplifyPath(input));
     * --- fail(). (If the test were to pass, its output would be hidden.)
     * - Run the test.

    }

    /**
     * @return the lastWriteTime
     */
    @Override
    public final long getLastWriteTime() {
        return this.lastWriteTime;
    }

    /**
     * Get the file change time
     * @return the changeTime
     */
    public final long getChangeTime() {
        return this.changeTime;
    }

    /**
     * Get the allocation size of the file

    }

    @Test
    @DisplayName("Test writeParameterWordsWireFormat for secondary NT transaction")
    void testWriteParameterWordsWireFormatSecondary() {
        byte[] dst = new byte[256];

        // Change command to secondary
        transaction.setCommand(ServerMessageBlock.SMB_COM_NT_TRANSACT_SECONDARY);

        // Set up transaction parameters
        transaction.setTotalParameterCount(100);