@Override
      public void run2() throws CacheException {
        Region region1 = getCache().getRegion(regionName1);
        region1.put(key1, "VAL-1-1");
        Region region2 = getCache().getRegion(regionName2);
        region2.put(key2, "VAL-1-1");
        Region region3 = getCache().getRegion(regionName3);
        region3.put(key3, "VAL-1-1");
      }
Tests failover of register interest from client point of view. Related bugs include:

<p>
Bug 35654 "failed re-registration may never be detected and thus may never re-re-register"

<p>
Bug 35639 "registerInterest re-registration happens everytime a healthy server is detected"

<p>
Bug 35655 "a single failed re-registration causes all other pending re-registrations to be
cancelled"
geode-core/src/distributedTest/java/org/apache/geode/cache30/ClientRegisterInterestDUnitTest.java