data = {
    "TEST0_psen_db": {
        "x": None,
        "aaa": "aaa",
        "bbbbbb": 2,
        "c": "cccccc"
    },

    "TEST1_psen_db1": {
        "x": None,
        "bbbbbb": 2,
        "c": "cccccc"
    },

    "TEST2TEST2_psen_db": {
        "x": None,
        "y": [1,2,3],
        "aaa": "aaa",
        "c": "cccccc"
    },

    "ignored": {}
}


server_info = {
    "active_instances": list(data.keys())
}


class PipelineClient:
    def __init__(*args, **kwargs):
        pass
    def get_server_info(self):
        return server_info
    def get_instance_config(self, name):
        return data[name]