code: def expect_flags(self, baseline, dispatch="", **kwargs):
      match = self.arg_regex(**kwargs)
      if match is None:
          return
      opt = self.nopt(
          cpu_baseline=baseline,
          cpu_dispatch=dispatch,
          trap_files=kwargs.get("trap_files", ""),
          trap_flags=kwargs.get("trap_flags", ""),
      )
      flags = " ".join(opt.cpu_baseline_flags())
      if not match:
          if len(flags) != 0:
              raise AssertionError(
                  'expected empty flags not "%s"' % flags
              )
          return
      if not re.match(match, flags):
          raise AssertionError(
              'flags "%s" not match "%s"' % (flags, match)
          )
  
imports: import re, textwrap, os
  from os import sys, path
  from distutils.errors import DistutilsError
label_desc: Use image node_id 10 for calling the _Test_CCompilerOpt obj's underlying member method code with example usage: obj.expect_flags(baseline, dispatch) without return types