129 def _console_interaction(test, success_message, failure_message,  argument
132     assert success_message or send_string
145     if success_message is not None:
146         success_message_b = success_message.encode()
159         if success_message is None:
169 def interrupt_interactive_console_until_pattern(test, success_message,  argument
192     assert success_message
193     _console_interaction(test, success_message, failure_message,
196 def wait_for_console_pattern(test, success_message, failure_message=None,  argument
207     assert success_message
208     _console_interaction(test, success_message, failure_message, None, vm=vm)
223                                       success_message, failure_message=None):  argument
236     assert success_message
237     _console_interaction(test, success_message, failure_message, command + '\r')