767     def _expect(self, pattern, timeout=-1, *args, **kwargs):  argument
776                 return self.pexpect.expect(pattern, 0.1, *args, **kwargs)
786     def _expect_result(self, pattern, *args, **kwargs):  argument
794         results = self._expect_results(pattern, *args, **kwargs)
798     def _expect_results(self, pattern, *args, **kwargs):  argument
807         results = [line for line in output if self._match_pattern(line, pattern)]
811     def _match_pattern(line, pattern):  argument
812         if isinstance(pattern, str):
813             pattern = re.compile(pattern)
815         if isinstance(pattern, typing.Pattern):
816             return pattern.match(line)
818             return any(NodeImpl._match_pattern(line, p) for p in pattern)
848 …pattern = (b"(" + join_fin_req + b")|(" + join_fin_rsp + b")|(" + join_ent_ntf + b")|(" + join_ent…
854                 self._expect(pattern, timeout=timeout)