### 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
mostUsages.put(
                multiPathNodeId,
                new DiskUsage(
                    multiPathNodeId,
                    null,
                    randomValueOtherThan(original.getPath(), () -> randomAlphaOfLength(5)),
                    original.getTotalBytes(),
                    original.getFreeBytes()
                )
            );
            info = new ClusterInfo(leastUsages, mostUsages, Map.of(), Map.of(), Map.of(), Map.of());
            context = new AutoscalingCalculateCapacityService.DefaultAutoscalingDeciderContext(
                roleNames,
                state,
                info,
                null,
                n -> Optional.of(new AutoscalingNodeInfo(memory, randomProcessors())),
                () -> {}
            );
            assertThat(context.nodes(), equalTo(expectedNodes));
            if (hasDataRole) {
                assertThat(context.currentCapacity(), is(nullValue()));
            } else {
                assertThat(context.currentCapacity().node().memory(), equalTo(new ByteSizeValue(memory)));
                assertThat(context.currentCapacity().total().memory(), equalTo(new ByteSizeValue(memory * expectedNodes.size())));
                assertThat(context.currentCapacity().node().storage(), equalTo(ByteSizeValue.ZERO));
                assertThat(context.currentCapacity().total().storage(), equalTo(ByteSizeValue.ZERO));
            }
        }
    }