code: def test_ctxGetCurrent(self):
      # Make sure to create context.
      cupy.arange(1)
      assert 0 != driver.ctxGetCurrent()
  
file_path: cupy/tests/cupy_tests/cuda_tests/test_driver.py
imports: import pickle
  import threading
  import unittest
  import cupy
  from cupy import testing
  from cupy.cuda import driver
label_desc: Use image node_id 1 for calling the TestDriver obj's underlying member method code with example usage: obj.test_ctxGetCurrent() without return types