There have been two instances of this today (both in PR builds) that blew up due to an OOME.

**Build scan:**
https://gradle-enterprise.elastic.co/s/ryfsljqpbyjlm/tests/:x-pack:plugin:ml:internalClusterTest/org.elasticsearch.xpack.ml.integration.MlDistributedFailureIT/testClusterWithTwoMlNodes_StopsDatafeed_GivenJobFailsOnReassign

**Reproduction line:**
`./gradlew ':x-pack:plugin:ml:internalClusterTest' --tests "org.elasticsearch.xpack.ml.integration.MlDistributedFailureIT.testClusterWithTwoMlNodes_StopsDatafeed_GivenJobFailsOnReassign" -Dtests.seed=A3E13461A939BDF6 -Dtests.locale=ar-IQ -Dtests.timezone=America/Porto_Velho -Druntime.java=17`

**Applicable branches:**
master

**Reproduces locally?:**
No

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.xpack.ml.integration.MlDistributedFailureIT&tests.test=testClusterWithTwoMlNodes_StopsDatafeed_GivenJobFailsOnReassign

**Failure excerpt:**
```
java.lang.Exception: Test abandoned because suite timeout was reached.

  at __randomizedtesting.SeedInfo.seed([A3E13461A939BDF6]:0)

```
server/src/test/java/org/elasticsearch/plugins/PluginsServiceTests.java
IllegalStateException e = expectThrows(
            IllegalStateException.class,
            () -> { PluginsService.createExtension(BadSingleParameterConstructorExtension.class, TestExtensionPoint.class, plugin); }
        );
        assertThat(
            e,
            hasToString(
                containsString(
                    "signature of constructor for extension ["
                        + BadSingleParameterConstructorExtension.class.getName()
                        + "] of type ["
                        + TestExtensionPoint.class.getName()
                        + "] must be either () or ("
                        + TestPlugin.class.getName()
                        + "), not ("
                        + String.class.getName()
                        + ")"
                )
            )
        );
    }
    public void testTooManyParametersExtensionConstructors() {
        TestPlugin plugin = new TestPlugin();
        IllegalStateException e = expectThrows(
            IllegalStateException.class,
            () -> { PluginsService.createExtension(TooManyParametersConstructorExtension.class, TestExtensionPoint.class, plugin); }
        );
        assertThat(
            e,
            hasToString(