code: def test_invalid_converter_minimum_deployment_flag(self):
      with pytest.raises(TypeError) as e:
          converter.convert(
              None,
              source="tensorflow",
              minimum_deployment_target="iOs14",
          )
      expected_msg = (
          "Unrecognized value of argument 'minimum_deployment_target': iOs14. "
          "It needs to be a member of 'coremltools.target' enumeration"
      )
  
      e.match(expected_msg)
  
imports: import numpy
  import os
  import six
  import pytest
  import shutil
  import tempfile
  import coremltools
  import coremltools.converters
  from coremltools._deps import _IS_MACOS
  import coremltools.proto.FeatureTypes_pb2
  from coremltools import TensorType, ImageType, RangeDim, EnumeratedShapes
  from coremltools.converters.mil.testing_utils import random_gen
  from coremltools.converters.mil.frontend.tensorflow.converter import TFConverter
  from coremltools.converters.mil.frontend.tensorflow.test.testing_utils import frontend, make_tf_graph, run_compare_tf, get_tf_keras_io_names
label_desc: Use image node_id 12 for calling the TestTf1ModelFormats obj's underlying member method code with example usage: obj.test_invalid_converter_minimum_deployment_flag() without return types