WaitForSnapshotStepTests#testHashcodeAndEquals fails

[dnhatn]

Failed on my backport PR: https://gradle-enterprise.elastic.co/s/w35l6ouk6uzsw and reproducible on 7.x.

./gradlew ':x-pack:plugin:core:test' --tests "org.elasticsearch.xpack.core.ilm.WaitForSnapshotStepTests.testHashcodeAndEquals" -Dtests.seed=F61F844292A93219 -Dtests.security.manager=true -Dtests.locale=fr-BE -Dtests.timezone=Australia/South -Dcompiler.java=13 -Druntime.java=8

org.elasticsearch.xpack.core.ilm.WaitForSnapshotStepTests > testHashcodeAndEquals FAILED
    java.lang.AssertionError: WaitForSnapshotStep mutation should not be equal to original
    Expected: not <{"phase":"SmZLaEYALs","action":"rvBecejUXU","name":"JvfEvWSTLz"} => {"phase":"OvCHIYVrPd","action":"uWOZHJNBGg","name":"EUaKQDgdvB"}>
         but: was <{"phase":"SmZLaEYALs","action":"rvBecejUXU","name":"JvfEvWSTLz"} => {"phase":"OvCHIYVrPd","action":"uWOZHJNBGg","name":"EUaKQDgdvB"}>

[elasticmachine]

Pinging @elastic/es-core-features (:Core/Features/ILM+SLM)