This looks to have just started failing in our release builds on the 15th. This is normally due to feature flags and some capability toggled off when in release mode.

**Build scan:**
https://gradle-enterprise.elastic.co/s/ffnazi2aagnz6/tests/:modules:data-streams:test/org.elasticsearch.datastreams.action.GetDataStreamsResponseTests/testResponseIlmAndDataStreamLifecycleRepresentation


**Reproduction line:**
```
./gradlew ':modules:data-streams:test' --tests "org.elasticsearch.datastreams.action.GetDataStreamsResponseTests.testResponseIlmAndDataStreamLifecycleRepresentation" -Dtests.seed=9284F1971381D42F -Dbuild.snapshot=false -Dtests.jvm.argline="-Dbuild.snapshot=false" -Dtests.locale=sr-Latn-ME -Dtests.timezone=Etc/GMT+2 -Druntime.java=21
```

**Applicable branches:**
main

**Reproduces locally?:**
Yes

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.datastreams.action.GetDataStreamsResponseTests&tests.test=testResponseIlmAndDataStreamLifecycleRepresentation


**Failure excerpt:**
```
java.lang.NullPointerException: Cannot invoke "java.util.List.get(int)" because "failureStoresRepresentation" is null

  at __randomizedtesting.SeedInfo.seed([9284F1971381D42F:AE19FC0FE8A3DFC8]:0)
  at org.elasticsearch.datastreams.action.GetDataStreamsResponseTests.testResponseIlmAndDataStreamLifecycleRepresentation(GetDataStreamsResponseTests.java:170)
  at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
  at java.lang.reflect.Method.invoke(Method.java:580)
  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:1583)

```
modules/data-streams/src/test/java/org/elasticsearch/datastreams/action/GetDataStreamsResponseTests.java
return timeSeries;
    }
    private Map<Index, Response.IndexProperties> generateRandomIndexSettingsValues() {
        Map<Index, Response.IndexProperties> values = new HashMap<>();
        for (int i = 0; i < randomIntBetween(0, 3); i++) {
            values.put(
                new Index(randomAlphaOfLengthBetween(50, 100), UUIDs.base64UUID()),
                new Response.IndexProperties(
                    randomBoolean(),
                    randomAlphaOfLengthBetween(50, 100),
                    randomBoolean() ? ManagedBy.ILM : ManagedBy.LIFECYCLE
                )
            );
        }
        return values;
    }
    private Response.DataStreamInfo generateRandomDataStreamInfo() {
        List<Tuple<Instant, Instant>> timeSeries = randomBoolean() ? generateRandomTimeSeries() : null;
        return new Response.DataStreamInfo(
            DataStreamTestHelper.randomInstance(),
            ClusterHealthStatus.GREEN,
            randomAlphaOfLengthBetween(2, 10),
            randomAlphaOfLengthBetween(2, 10),
            timeSeries != null ? new Response.TimeSeries(timeSeries) : null,
            generateRandomIndexSettingsValues(),
            randomBoolean()
        );
    }
}