#### SUMMARY
This feature would implement a UpdateUserName command for the Accounts category of redfish_command, to update user name. And also implement a UpdatePasswordPolicy command for the Accounts category of redfish_command to change password policy.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
redfish_command

##### ADDITIONAL INFORMATION
These 2 commands would help user to update user name or update password policy

}
        elif bootdevice == 'UefiBootNext':
            if not boot_next:
                return {'ret': False,
                        'msg': "boot_next option required to SetOneTimeBoot for UefiBootNext"}
            if enabled == 'Once' and target == bootdevice and boot_next == cur_boot_next:
                
                return {'ret': True, 'changed': False}
            payload = {
                'Boot': {
                    'BootSourceOverrideEnabled': 'Once',
                    'BootSourceOverrideTarget': bootdevice,
                    'BootNext': boot_next
                }
            }
        else:
            if enabled == 'Once' and target == bootdevice:
                
                return {'ret': True, 'changed': False}
            payload = {
                'Boot': {
                    'BootSourceOverrideEnabled': 'Once',
                    'BootSourceOverrideTarget': bootdevice
                }
            }
        response = self.patch_request(self.root_uri + self.systems_uris[0], payload)
        if response['ret'] is False:
            return response
        return {'ret': True, 'changed': True}
    def set_bios_attributes(self, attr):