private void registerK1AndK2() {
    Region<Object, Object> region = cache.getRegion(REGION_NAME);
    assertThat(region).isNotNull();
    List<String> list = new ArrayList<>();
    list.add(K1);
    list.add(K2);
    region.registerInterest(list, InterestResultPolicy.KEYS_VALUES);
  }
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