code: def _executor_script(self):
          
          fd, path = tempfile.mkstemp(suffix='.sh', dir=os.getcwd())
          os.close(fd)
          with open(path, 'w') as ostr:
              self._write_executor_script(ostr)
          mode = os.stat(path).st_mode
          os.chmod(path, mode | stat.S_IEXEC | stat.S_IRGRP | stat.S_IRUSR)
          return path
docs: Create shell-script in charge of executing the benchmark
          and return its path.