code: def test_basic_retrieve_collected_errors_not_empty(self):
      @tf.function(
          input_signature=[
              tf.TensorSpec(shape=[None], dtype=tf.float32)
          ]
      )
      def func(x):
          return tf.cosh(x)
  
      converter = lite.TFLiteConverterV2.from_concrete_functions(
          [func.get_concrete_function()], func
      )
      try:
          converter.convert()
      except ConverterError as err:
          # retrieve_collected_errors is already captured in err.errors
          captured_errors = err.errors
      self.assertNotEmpty(captured_errors)
  
file_path: tensorflow-upstream/tensorflow/lite/python/metrics/wrapper/metrics_wrapper_test.py
imports: import tensorflow
  from tensorflow.lite.python import lite
  from tensorflow.lite.python.convert import ConverterError
  from tensorflow.lite.python.metrics.wrapper import metrics_wrapper
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the MetricsWrapperTest obj's underlying member method code with example usage: obj.test_basic_retrieve_collected_errors_not_empty() and returns: tf