@Override
    public void run() {
      try {
        awaitLatch(goLatch);
        region.get(0);
      } catch (AssertionError | Exception e) {
        errorCollector.addError(e);
      }
    }
Regression test for TRAC #41770: ConcurrentRegionOperationsJUnitTest fails with duplicate
create in an oplog
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/DiskRegionJUnitTest.java