@Override
          public void beforeCreate(EntryEvent e) throws CacheWriterException {
            logger
                .info("cache writer beforeCreate invoked for " + e);
            netWriteInvoked = true;
            operationWasCreate = true;
            originWasRemote = e.isOriginRemote();
            writerInvocationCount++;
          }
Confirm that a netLoad that returns null will NOT allow other netLoad methods to be called.
geode-core/src/distributedTest/java/org/apache/geode/cache30/SearchAndLoadDUnitTest.java