code: def test_TFLiteMetrics_creation_success(self):
      metrics.TFLiteMetrics()
  
file_path: tensorflow-upstream/tensorflow/lite/python/metrics/metrics_portable_test.py
imports: from tensorflow.lite.python.metrics import metrics
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the MetricsPortableTest obj's underlying member method code with example usage: obj.test_TFLiteMetrics_creation_success() without return types