[FLAKY TEST] stream:storage:impl:test / MVCCStoreFactoryImplTest flaked on CI

[dlg99]

BUG REPORT

MVCCStoreFactoryImplTest flaked on CI run

./gradlew stream:storage:impl:test
...
  java.lang.AssertionError: expected same:<com.google.common.util.concurrent.MoreExecutors$ScheduledListeningDecorator@7f4701b1[java.util.concurrent.ScheduledThreadPoolExecutor@adcfad9[Running, pool size = 1, active threads = 0, queued tasks = 0, completed tasks = 1]]> was not:<com.google.common.util.concurrent.MoreExecutors$ScheduledListeningDecorator@fb49fdf[java.util.concurrent.ScheduledThreadPoolExecutor@3a2e9f5b[Running, pool size = 1, active threads = 0, queued tasks = 1, completed tasks = 6]]>
      at org.apache.bookkeeper.stream.storage.impl.store.MVCCStoreFactoryImplTest.testOpenStore(MVCCStoreFactoryImplTest.java:149)

Expected behavior

stable passing test