### CI Link

https://gradle-enterprise.elastic.co/s/sa7kgcpbjsuyo

### Repro line

./gradlew ':x-pack:plugin:esql:internalClusterTest' --tests "org.elasticsearch.xpack.esql.action.EsqlActionTaskIT.testCancelRead" -Dtests.seed=A10FD59C7183AD95 -Dbuild.snapshot=false -Dtests.jvm.argline="-Dbuild.snapshot=false" -Dtests.locale=ga-IE -Dtests.timezone=Europe/Stockholm -Druntime.java=20

### Does it reproduce?

No

### Applicable branches

main

### Failure history

_No response_

### Failure excerpt

```
org.elasticsearch.xpack.esql.action.EsqlActionTaskIT > testCancelRead FAILED
    java.lang.AssertionError: 
    Expected: a collection with size <2>
         but: collection size was <0>
        at __randomizedtesting.SeedInfo.seed([A10FD59C7183AD95:34226718C99014F4]:0)
        at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
        at org.junit.Assert.assertThat(Assert.java:956)
        at org.junit.Assert.assertThat(Assert.java:923)
        at org.elasticsearch.xpack.esql.action.EsqlActionTaskIT.lambda$getTasksStarting$2(EsqlActionTaskIT.java:229)
        at org.elasticsearch.test.ESTestCase.assertBusy(ESTestCase.java:1196)
        at org.elasticsearch.test.ESTestCase.assertBusy(ESTestCase.java:1169)
        at org.elasticsearch.xpack.esql.action.EsqlActionTaskIT.getTasksStarting(EsqlActionTaskIT.java:221)
        at org.elasticsearch.xpack.esql.action.EsqlActionTaskIT.testCancelRead(EsqlActionTaskIT.java:167)
```
x-pack/plugin/esql/compute/src/test/java/org/elasticsearch/compute/lucene/LuceneSourceOperatorStatusTests.java
public void testToXContent() {
        assertThat(Strings.toString(simple()), equalTo(simpleToJson()));
    }
    @Override
    protected Writeable.Reader<LuceneSourceOperator.Status> instanceReader() {
        return LuceneSourceOperator.Status::new;
    }
    @Override
    public LuceneSourceOperator.Status createTestInstance() {
        return new LuceneSourceOperator.Status(
            randomNonNegativeInt(),
            randomNonNegativeInt(),
            randomNonNegativeInt(),
            randomNonNegativeInt(),
            randomNonNegativeInt()
        );
    }
    @Override
    protected LuceneSourceOperator.Status mutateInstance(LuceneSourceOperator.Status instance) {
        return switch (between(0, 4)) {
            case 0 -> new LuceneSourceOperator.Status(
                randomValueOtherThan(instance.currentLeaf(), ESTestCase::randomNonNegativeInt),
                instance.totalLeaves(),
                instance.pagesEmitted(),
                instance.slicePosition(),
                instance.sliceSize()
            );
            case 1 -> new LuceneSourceOperator.Status(
                instance.currentLeaf(),
                randomValueOtherThan(instance.totalLeaves(), ESTestCase::randomNonNegativeInt),