docs: def get_stack(method_name):
      """
      Returns the stack trace to hash to identify a call descriptor
  
      :param str method_name: The calling method.
  
      :rtype str:
      """
      global test_suite
      trace_string      = method_name + " "
      for f in inspect.stack():
          module_name = os.path.basename(f[1])
          method_name = f[3]
          trace_string = trace_string + "%s %s " % (module_name, method_name)
          if test_suite and module_name == test_suite or (module_name == 'patch.py' and method_name == 'patched_test'):
              return trace_string
      return trace_string