code: def testFindsAtLeastOneKernel(self):
      kernel_list = kernels.get_all_registered_kernels()
      self.assertGreater(len(kernel_list.kernel), 0)
  
file_path: tensorflow-upstream/tensorflow/python/framework/kernels_test.py
imports: from tensorflow.python.framework import kernels
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 1 for calling the GetAllRegisteredKernelsTest obj's underlying member method code with example usage: obj.testFindsAtLeastOneKernel() without return types