code: def test_matmul():
      _check_workload(te_matmul, tir_matmul)
  
imports: import numpy
  import tvm
  import tvm.testing
  from tvm import te, tir, topi, relay
  from tvm.script import tir
  import pytest
label_desc: Use image node_id 7 for calling a global function with example usage: test_matmul() without return types