code: def run_task_class(self, class_path, **options):
          
          logger.console("\n")
          task_class, task_config = self._init_task(class_path, options, TaskConfig())
          return self._run_task(task_class, task_config)
docs: Runs a CumulusCI task class with task options via kwargs.
  
              Use this keyword to run logic from CumulusCI tasks which have not
              been configured in the project's cumulusci.yml file.  This is
              most useful in cases where a test needs to use task logic for
              logic unique to the test and thus not worth making into a named
              task for the project
  
              Examples:
              | =Keyword=      | =task_class=                     | =task_options=                            |
              | Run Task Class | cumulusci.task.utils.DownloadZip | url=http://test.com/test.zip dir=test_zip |