description: "Host list differs from seeds"

uri: "mongodb://a/?replicaSet=rs"

phases: [

    {
        responses: [

                ["a:27017", {

                    ok: 1,
                    helloOk: true,
                    isWritablePrimary: true,
                    setName: "rs",
                    hosts: ["b:27017"],
                    minWireVersion: 0,
                    maxWireVersion: 6
                }]
        ],

        outcome: {

            servers: {

                "b:27017": {

                    type: "Unknown",
                    setName:
                }
            },
            topologyType: "ReplicaSetNoPrimary",
            logicalSessionTimeoutMinutes: null,
            setName: "rs"
        }
    }
]