private void verifyEventTrackerContent() {
    PartitionedRegion pr = (PartitionedRegion) getCache().getRegion(getName());
    BucketRegion br = pr.getDataStore().getLocalBucketById(0);
    Map<?, ?> eventStates = br.getEventState();
    assertTrue(eventStates.size() == 4);
  }
Tests event track is initialized after gii
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/event/EventTrackerDUnitTest.java