code: def testGetCommandLineArgumentType(self):
      command = kfp_component_spec_pb2.StringOrPlaceholder()
      command.constantValue = "constantValue"
      self.assertEqual(
          kfp_container_component._get_command_line_argument_type(
              command
          ),
          "constantValue",
      )
  
file_path: tfx/tfx/extensions/experimental/kfp_compatibility/kfp_container_component_test.py
imports: import os
  import tensorflow
  from tfx.dsl.component.experimental import container_component
  from tfx.dsl.component.experimental import placeholders
  from tfx.extensions.experimental.kfp_compatibility import kfp_container_component
  from tfx.extensions.experimental.kfp_compatibility.proto import kfp_component_spec_pb2
  from tfx.types import standard_artifacts
label_desc: Use image node_id 4 for calling the KubeflowContainerComponentTest obj's underlying member method code with example usage: obj.testGetCommandLineArgumentType() without return types