public static void createClientCache1CommonWriterTest3(String host, Integer port)
      throws Exception {
    ConflationDistributedTest test = new ConflationDistributedTest();
    cache = test.createCache(createProperties1());
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    factory.setPoolName(createPool(host, "p1", port, false).getName());
    RegionAttributes attrs = factory.create();
    cache.createRegion(REGION_NAME1, attrs);
    cache.createRegion(REGION_NAME2, attrs);
  }
create a client with 2 regions sharing a common writer
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/ConflationDistributedTest.java