### CI Link

https://gradle-enterprise.elastic.co/s/gcyi7azxnlpck/tests/:x-pack:plugin:autoscaling:test/org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests/testRequiredCapacity

### Repro line

`./gradlew ':x-pack:plugin:autoscaling:test' --tests "org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests.testRequiredCapacity" -Dtests.seed=2E2DFCE718729D4D -Dtests.locale=en-PH -Dtests.timezone=AST -Druntime.java=17`

### Does it reproduce?

Yes

### Applicable branches

main

### Failure history

https://gradle-enterprise.elastic.co/scans/tests?search.timeZoneId=Europe/Berlin&tests.container=org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests&tests.test=testRequiredCapacity

### Failure excerpt

```
java.lang.IllegalArgumentException: processors must be a non-negative number; provided [0.0]
        at __randomizedtesting.SeedInfo.seed([2E2DFCE718729D4D:F14848089DDDD218]:0)
        at org.elasticsearch.common.unit.Processors.of(Processors.java:58)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCapacity$Builder.total(AutoscalingCapacity.java:288)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests.randomCapacity(AutoscalingDeciderResultsTests.java:161)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests.lambda$testRequiredCapacity$1(AutoscalingDeciderResultsTests.java:65)
        at java.base/java.util.stream.IntPipeline$1$1.accept(IntPipeline.java:180)
        at java.base/java.util.stream.Streams$RangeIntSpliterator.forEachRemaining(Streams.java:104)
        at java.base/java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:711)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
```
x-pack/plugin/autoscaling/src/test/java/org/elasticsearch/xpack/autoscaling/capacity/AutoscalingCalculateCapacityServiceTests.java
@AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/89852")
    public void testMultiplePoliciesFixedCapacity() {
        AutoscalingCalculateCapacityService service = new AutoscalingCalculateCapacityService(Set.of(new FixedAutoscalingDeciderService()));
        Set<String> policyNames = IntStream.range(0, randomIntBetween(1, 10))
            .mapToObj(i -> "test_ " + randomAlphaOfLength(10))
            .collect(Collectors.toSet());
        SortedMap<String, AutoscalingPolicyMetadata> policies = new TreeMap<>(
            policyNames.stream()
                .map(s -> Tuple.tuple(s, new AutoscalingPolicyMetadata(new AutoscalingPolicy(s, randomRoles(), randomFixedDeciders()))))
                .collect(Collectors.toMap(Tuple::v1, Tuple::v2))
        );
        ClusterState state = ClusterState.builder(ClusterName.DEFAULT)
            .metadata(Metadata.builder().putCustom(AutoscalingMetadata.NAME, new AutoscalingMetadata(policies)))
            .build();
        SortedMap<String, AutoscalingDeciderResults> resultsMap = service.calculate(
            state,
            ClusterInfo.EMPTY,
            null,
            AutoscalingNodesInfo.EMPTY,
            () -> {}
        );