@Override
      public void beforeInterestRecovery() {
        registerInterestCalled.set(true);
      }
This tests failing of a primary server in a situation where the rest of the server are all
redundant. After every failure, the order, the dispatcher, the interest registration and the
makePrimary calls are verified. The failure detection in these tests could be either through
CCU or cache operation, whichever occurs first
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/RedundancyLevelPart3DUnitTest.java