**Build scan:**
https://gradle-enterprise.elastic.co/s/xqf2tdt4qwvsm/tests/:x-pack:plugin:esql:compute:test/org.elasticsearch.compute.operator.exchange.ExchangeServiceTests/testFailToRespondPage

**Reproduction line:**
```
./gradlew ':x-pack:plugin:esql:compute:test' --tests "org.elasticsearch.compute.operator.exchange.ExchangeServiceTests.testFailToRespondPage" -Dtests.seed=CB4F0EDC716ADF9C -Dtests.locale=tr -Dtests.timezone=Europe/Busingen -Druntime.java=20
```

**Applicable branches:**
main

**Reproduces locally?:**
Didn't try

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.compute.operator.exchange.ExchangeServiceTests&tests.test=testFailToRespondPage

**Failure excerpt:**
```
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=1287, name=elasticsearch[test][generic][T#3], state=RUNNABLE, group=TGRP-ExchangeServiceTests]


  Caused by: java.lang.AssertionError: TaskCancellationService is not initialized

    at __randomizedtesting.SeedInfo.seed([CB4F0EDC716ADF9C]:0)
    at org.elasticsearch.tasks.TaskManager.getCancellationService(TaskManager.java:261)
    at org.elasticsearch.tasks.TaskManager.cancelTaskAndDescendants(TaskManager.java:819)
    at org.elasticsearch.tasks.TaskManager$4.doRun(TaskManager.java:806)
    at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:983)
    at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
    at java.lang.Thread.run(Thread.java:1623)

```
x-pack/plugin/esql/compute/src/test/java/org/elasticsearch/compute/operator/exchange/ExchangeServiceTests.java
final long maxOutputSeqNo;
        final Set<Integer> receivedSeqNos = ConcurrentCollections.newConcurrentSet();
        SeqNoCollector(long maxOutputSeqNo) {
            this.maxOutputSeqNo = maxOutputSeqNo;
        }
        @Override
        public String describe() {
            return "SeqNoCollector(maxOutputSeqNo=" + maxOutputSeqNo + ")";
        }
        @Override
        public SinkOperator get(DriverContext driverContext) {
            return new SinkOperator() {
                private boolean finished = false;
                @Override
                public boolean needsInput() {
                    return isFinished() == false;
                }
                @Override
                public void addInput(Page page) {
                    assertFalse("already finished", finished);
                    IntBlock block = page.getBlock(0);
                    for (int i = 0; i < block.getPositionCount(); i++) {
                        int v = block.getInt(i);
                        if (v < maxOutputSeqNo) {
                            assertTrue(receivedSeqNos.add(v));
                            
                            if (receivedSeqNos.size() >= maxOutputSeqNo && randomBoolean()) {
                                finished = true;
                            }