code: def test_fusion():
      check_unary_ops()
      check_binary_ops()
      check_other_ops()
      check_leakyrelu_ops()
  
file_path: mxnet/tests/python/gpu/test_fusion.py
imports: import sys
  import os
  import random
  import itertools
  import mxnet
  import numpy
  from mxnet import autograd, gluon
  from mxnet.test_utils import *
label_desc: Use image node_id 6 for calling a global function with example usage: test_fusion() without return types