code: def test_compute_box_area(self):
      boxes = np.array([[30, 100, 70, 300], [50, 100, 80, 110]])
      np.testing.assert_allclose(
          np.array([8000, 300]), bounding_box.bounding_box_area(boxes)
      )
  
file_path: model-analysis/tensorflow_model_analysis/metrics/preprocessors/utils/bounding_box_test.py
imports: from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from tensorflow_model_analysis.metrics.preprocessors.utils import bounding_box
label_desc: Use image node_id 3 for calling the BoundingBoxTest obj's underlying member method code with example usage: obj.test_compute_box_area() without return types