Allowed status codes

edit
var audit = new Auditor(() => Framework.Cluster
    .Nodes(10)
    .ClientCalls(r => r.FailAlways(400))
    .StaticConnectionPool()
    .Settings(s => s.DisablePing().MaximumRetries(0))
);

audit = await audit.TraceCalls(
    new ClientCall {
        { BadResponse, 9200 }
    },
    new ClientCall(r => r.AllowedStatusCodes(400)) {
        { HealthyResponse, 9201 }
    }
);