private VersionSource getVersionID(VM vm) {
    return vm.invoke("get versionID", () -> {
      return testRegion.getVersionMember();
    });
  }
We hit this problem in bug #45669. A primary was lost and we did not see secondary buckets
perform a delta-GII.
geode-core/src/distributedTest/java/org/apache/geode/cache30/PRBucketSynchronizationDUnitTest.java