class_docstr: Test public coremltools API visibilities.
code: def test_models_mlmodel(self):
      expected = [
          "author",
          "get_spec",
          "input_description",
          "license",
          "output_description",
          "predict",
          "save",
          "short_description",
          "user_defined_metadata",
          "version",
      ]
      _check_visible_modules(
          _get_visible_items(ct.models.MLModel), expected
      )
  
imports: import coremltools
  import pytest
label_desc: Use image node_id 4 for calling the TestApiVisibilities obj's underlying member method code with example usage: obj.test_models_mlmodel() without return types