code: def test_RangePush(self):
      cuda.nvtx.RangePush("test:RangePush", 1)
      cuda.nvtx.RangePop()
  
imports: import unittest
  from cupy import cuda
label_desc: Use image node_id 3 for calling the TestNVTX obj's underlying member method code with example usage: obj.test_RangePush() without return types