if (needToSelect) {
                assert finalizedPlan.executionState() == WorkSource.State.MaybeWorkReadyToStart
            } else {
                assert finalizedPlan.executionState() == WorkSource.State.NoMoreWorkToStart
            }
            assert finalizedPlan.selectNext().noMoreWorkToStart
            assert finalizedPlan.executionState() == WorkSource.State.NoMoreWorkToStart

     * the amount of work that happens in this method, which is called many, many times and should be fast.</p>
     */
    State executionState();

    /**
     * Selects a work item to start, returns {@link Selection#noWorkReadyToStart()} when there are no items that are ready to start (but some are queued for execution)

        if (!(resourceLock instanceof WorkerLeaseRegistry.WorkerLease) && !readyNodes.isEmpty()) {
            maybeNodesSelectable = true;
        }
    }

    @Override
    public State executionState() {
        lockCoordinator.assertHasStateLock();
        if (waitingToStartNodes.isEmpty()) {
            return State.NoMoreWorkToStart;
        } else if (!readyNodes.isEmpty() && maybeNodesSelectable) {

        return tasks
    }

    List<Node> getExecutedNodes() {
        def nodes = []
        coordinator.withStateLock {
            while (finalizedPlan.executionState() != WorkSource.State.NoMoreWorkToStart) {
                assert finalizedPlan.executionState() == WorkSource.State.MaybeWorkReadyToStart // There should always be a node ready to start when executing sequentially
                def selection = finalizedPlan.selectNext()

                        new Thread(gateKeeper).start()
                    }
                }
            }

            def continuousExecutionGate = gradle.services.get(DeploymentRegistryInternal).executionGate
            BuildGateKeeperStarter.start(continuousExecutionGate)

            class SimpleTask extends DefaultTask {
                @InputFile
                File inputFile = project.file("input.txt")

    List<Deployment> deployments = []
    def continuousExecutionGate = new DefaultContinuousExecutionGate()
    def deploymentRegistry = Stub(DeploymentRegistryInternal) {
        runningDeployments >> deployments
        executionGate >> continuousExecutionGate
    }
    def buildSessionContext = Mock(BuildSessionContext)
    def textOutputFactory = new TestStyledTextOutputFactory()
    def executorService = Executors.newCachedThreadPool()