@Override
          public boolean done() {
            DistributedRegion dr = (DistributedRegion) getRootRegion().getSubregion(regionName);
            return dr.getAtomicThresholdInfo().getMembersThatReachedThreshold().size() == 0;
          }
test that puts in a server are rejected when a remote VM crosses critical threshold
geode-core/src/distributedTest/java/org/apache/geode/cache/management/MemoryThresholdsDUnitTest.java