1sequence! { procedure, context,
2    // ACL Connection Established
3    Lower Tester -> IUT: IoCapabilityReq {
4        transaction_id: 0,
5        io_capabilities: 0x01,
6        oob_authentication_data: 0x00,
7        authentication_requirement: 0x01,
8    }
9    IUT -> Lower Tester: NotAccepted {
10        transaction_id: 0,
11        not_accepted_opcode: Opcode::IoCapabilityReq,
12        error_code: 0x37,
13    }
14}
15