[CI] MlJobSnapshotUpgradeIT testSnapshotUpgrader failing

[DaveCTurner]

Looks like we're expecting an incompatibility between versions, but there is no incompatibility between 8.10.HEAD and 8.10.0

Build scan:
https://gradle-enterprise.elastic.co/s/veytoclmrmfbs/tests/:x-pack:qa:rolling-upgrade:v8.10.0%23oneThirdUpgradedTest/org.elasticsearch.upgrades.MlJobSnapshotUpgradeIT/testSnapshotUpgrader

Reproduction line:

./gradlew ':x-pack:qa:rolling-upgrade:v8.10.0#oneThirdUpgradedTest' -Dtests.class="org.elasticsearch.upgrades.MlJobSnapshotUpgradeIT" -Dtests.method="testSnapshotUpgrader" -Dtests.seed=A9983FE9187D43EA -Dtests.bwc=true -Dtests.locale=ms-MY -Dtests.timezone=America/Mexico_City -Druntime.java=20

Applicable branches:
8.10

Reproduces locally?:
Didn't try

Failure history:
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.upgrades.MlJobSnapshotUpgradeIT&tests.test=testSnapshotUpgrader

Failure excerpt:

junit.framework.AssertionFailedError: Expected exception Exception but no exception was thrown

  at __randomizedtesting.SeedInfo.seed([A9983FE9187D43EA:B5BB26861F08E864]:0)
  at org.apache.lucene.tests.util.LuceneTestCase.expectThrows(LuceneTestCase.java:2864)
  at org.apache.lucene.tests.util.LuceneTestCase.expectThrows(LuceneTestCase.java:2850)
  at org.elasticsearch.upgrades.MlJobSnapshotUpgradeIT.testSnapshotUpgradeFailsOnMixedCluster(MlJobSnapshotUpgradeIT.java:113)
  at org.elasticsearch.upgrades.MlJobSnapshotUpgradeIT.testSnapshotUpgrader(MlJobSnapshotUpgradeIT.java:83)
  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:1623)

[elasticsearchmachine]

Pinging @elastic/ml-core (Team:ML)

[davidkyle]

Closing as a duplicate of #98560

The test is muted on main, I'll backport the mute to 8.10