code: def test_bulk():
      with mx.engine.bulk(10):
          x = mx.nd.ones((10,))
          x *= 2
          x += 1
          x.wait_to_read()
          x += 1
          assert (x.asnumpy() == 4).all()
          for _ in range(100):
              x += 1
      assert (x.asnumpy() == 104).all()
  
imports: import mxnet
  import os
  from mxnet.test_utils import environment
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: test_bulk() without return types