public void PingTest()
{
var test = SentinelServerA.Ping();
Log("ping to sentinel {0}:{1} took {2} ms", TestConfig.Current.SentinelServer,
TestConfig.Current.SentinelPortA, test.TotalMilliseconds);
test = SentinelServerB.Ping();
Log("ping to sentinel {0}:{1} took {1} ms", TestConfig.Current.SentinelServer,
TestConfig.Current.SentinelPortB, test.TotalMilliseconds);
test = SentinelServerC.Ping();
Log("ping to sentinel {0}:{1} took {1} ms", TestConfig.Current.SentinelServer,
TestConfig.Current.SentinelPortC, test.TotalMilliseconds);
}