@Override
      public void run() {
        Mycallback myAfterSavedReceivedRVV =
            new Mycallback(GIITestHookType.AfterSavedReceivedRVV, REGION_NAME);
        InitialImageOperation.setGIITestHook(myAfterSavedReceivedRVV);
      }
P and R are peers, each holds a DR. Each does a few operations to make RVV=P6,R6, RVVGC=P0,R0
for both members. R off line, then run P7. Restart R. When P's RVV arrives, do clear(). It
should trigger fullGII. Make sure R should not contain key1 after GII.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/GIIDeltaDUnitTest.java