**Build scan:**
https://gradle-enterprise.elastic.co/s/gw4irn72s42ok/tests/:x-pack:plugin:autoscaling:test/org.elasticsearch.xpack.autoscaling.storage.ReactiveStorageDeciderDecisionTests/testStoragePreventsMove

**Reproduction line:**
```
gradlew ':x-pack:plugin:autoscaling:test' --tests "org.elasticsearch.xpack.autoscaling.storage.ReactiveStorageDeciderDecisionTests.testStoragePreventsMove" -Dtests.seed=C63160D29048E869 -Dtests.locale=zh-HK -Dtests.timezone=Africa/Tunis -Druntime.java=19
```

**Applicable branches:**
main

**Reproduces locally?:**
Yes

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.xpack.autoscaling.storage.ReactiveStorageDeciderDecisionTests&tests.test=testStoragePreventsMove

**Failure excerpt:**
```
java.lang.AssertionError: 
Expected: <ShardsSize[sizeInBytes=3, shardIds=[[test-7][0], [test-7][1]]]>
     but: was <ShardsSize[sizeInBytes=2, shardIds=[[test-7][0], [test-7][1]]]>

  at __randomizedtesting.SeedInfo.seed([C63160D29048E869:C67D527F55E78200]: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.autoscaling.storage.ReactiveStorageDeciderDecisionTests.verify(ReactiveStorageDeciderDecisionTests.java:415)
  at org.elasticsearch.xpack.autoscaling.storage.ReactiveStorageDeciderDecisionTests.verify(ReactiveStorageDeciderDecisionTests.java:399)
  at org.elasticsearch.xpack.autoscaling.storage.ReactiveStorageDeciderDecisionTests.verify(ReactiveStorageDeciderDecisionTests.java:395)
  at org.elasticsearch.xpack.autoscaling.storage.ReactiveStorageDeciderDecisionTests.testStoragePreventsMove(ReactiveStorageDeciderDecisionTests.java:246)
  at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
  at java.lang.reflect.Method.invoke(Method.java:578)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
  at java.lang.Thread.run(Thread.java:1589)

```
x-pack/plugin/autoscaling/src/test/java/org/elasticsearch/xpack/autoscaling/storage/ReactiveStorageDeciderDecisionTests.java
if (started.isEmpty() == false) {
                    ShardRouting toMove = randomFrom(started);
                    Set<RoutingNode> candidates = allocation.routingNodes()
                        .stream()
                        .filter(n -> allocation.deciders().canAllocate(toMove, n, allocation) == Decision.YES)
                        .collect(Collectors.toSet());
                    if (candidates.isEmpty() == false) {
                        allocation.routingNodes().relocateShard(toMove, randomFrom(candidates).nodeId(), 0L, allocation.changes());
                    }
                }
            }
        });
    }
    private static TestAutoscalingDeciderContext createContext(ClusterState state, Set<DiscoveryNodeRole> roles) {
        return new TestAutoscalingDeciderContext(state, roles, randomCurrentCapacity());
    }
    static AutoscalingCapacity randomCurrentCapacity() {
        if (randomInt(4) > 0) {
            
            boolean includeMemory = randomBoolean();
            boolean includeProcessors = randomBoolean();
            return AutoscalingCapacity.builder()
                .total(randomByteSizeValue(), includeMemory ? randomByteSizeValue() : null, includeProcessors ? randomProcessors() : null)
                .node(randomByteSizeValue(), includeMemory ? randomByteSizeValue() : null, includeProcessors ? randomProcessors() : null)
                .build();
        } else {
            return null;
        }
    }
    private static class TestAutoscalingDeciderContext implements AutoscalingDeciderContext {