private int createServerCache() throws Exception {
    cacheRule.createCache();

    // no region is created on server

    CacheServer cacheServer = cacheRule.getCache().addCacheServer();
    cacheServer.setPort(0);
    cacheServer.start();
    return cacheServer.getPort();
  }
TRAC #36995: gemfire.MessageTrackingTimeout should be set via configuration params for
BridgeLoader/BridgeWriter
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/MessageTrackingTimeoutRegressionTest.java