docstr: Returns first kernel class
docstr_tok: ["Returns","first","kernel","class"]
code: def k1(self):
      """Returns first kernel class"""
      pass
  
imports: from abc import abstractmethod
  from unittest.mock import patch
  import torch
  import gpytorch
  from .base_test_case import BaseTestCase
label_desc: Use image node_id 1 for calling the BaseKeOpsTestCase obj's underlying member method code with example usage: obj.k1() without return types