code: def test_locate():
      iris_path = pyunit_utils.locate("smalldata/iris/iris.csv")
  
      try:
          pyunit_utils.locate(
              "smalldata/iris/afilethatdoesnotexist.csv"
          )
          assert (
              False
          ), "Expected pyunit_utils.locate to raise a ValueError"
      except ValueError:
          assert True
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_locate() without return types