def METHOD_NAME(cls):
    cls.mock.start()
    cls.conn = boto3.client("managedblockchain", region_name="us-east-1")
    response = cls.conn.create_network(
        Name="testnetwork1",
        Framework="HYPERLEDGER_FABRIC",
        FrameworkVersion="1.2",
        FrameworkConfiguration=helpers.default_frameworkconfiguration,
        VotingPolicy=helpers.default_votingpolicy,
        MemberConfiguration=helpers.default_memberconfiguration,
    )
    cls.network_id = response["NetworkId"]
    cls.member_id = response["MemberId"]