@Override
      public Object call() throws IOException {
        Cache cache = getCache();
        AttributesFactory af = new AttributesFactory();
        RegionAttributes attrs = af.create();
        cache.createRegion(regionName, attrs);

        startBridgeServer(serverPort, true);
        return null;
      }
Test the we can have both a connection pool and a cache writer.

The expected order of operations for put is: local writer put on server
geode-core/src/distributedTest/java/org/apache/geode/cache/ConnectionPoolAndLoaderDUnitTest.java