code: def test_all(self):
      if not test_gdb():
          return
  
      out, err = self.p.communicate()
      out = out.decode("UTF-8")
      err = err.decode("UTF-8")
  
      exit_status = self.p.returncode
  
      if exit_status == 1:
          sys.stderr.write(out)
          sys.stderr.write(err)
      elif exit_status >= 2:
          border = "*" * 30
          start = "%s   v INSIDE GDB v   %s" % (border, border)
          stderr = "%s   v STDERR v   %s" % (border, border)
          end = "%s   ^ INSIDE GDB ^   %s" % (border, border)
          errmsg = "\n%s\n%s%s\n%s%s" % (start, out, stderr, err, end)
  
          sys.stderr.write(errmsg)
  
imports: import os
  import re
  import sys
  import shutil
  import warnings
  import textwrap
  import unittest
  import tempfile
  import subprocess
  from distutils import ccompiler
  import runtests
  import Cython.Distutils.extension
  import Cython.Distutils.old_build_ext
  from Cython.Debugger import Cygdb
label_desc: Use image node_id 1 for calling the TestAll obj's underlying member method code with example usage: obj.test_all() without return types