code: def tearDownClass(cls):
      cublasxt.cublasXtDestroy(cls.handle)
      cls.ctx.pop()
      clear_context_caches()
  
file_path: scikit-cuda/tests/test_cublasxt.py
imports: from unittest import main, makeSuite, TestCase, TestSuite
  import numpy
  import pycuda.driver
  from pycuda.tools import clear_context_caches, make_default_context
  import skcuda.cublasxt
  import skcuda.misc
label_desc: Use image node_id 2 for calling the test_cublasxt obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types