private static void unregisterInterest() {
    Region<String, String> r = cache.getRegion(SEPARATOR + REGION_NAME);
    r.unregisterInterest("k1");
  }
Redundancy level specified & less than total Eps. If an EP dies & is part of the fail over list
, then it should be removed from live server map & added to dead server map. A new EP should be
picked from the Live Server Map to compensate for the failure. Failure Detection by Put
operation.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/RedundancyLevelPart1DUnitTest.java