code: def test_config(self):
      obj = metrics.BinaryIoU(
          target_class_ids=[1, 0], threshold=0.1, name="iou_class_1_0"
      )
      self.assertEqual(obj.name, "iou_class_1_0")
      self.assertAlmostEqual(obj.threshold, 0.1)
      self.assertEqual(obj.target_class_ids, [1, 0])
  
      obj2 = metrics.BinaryIoU.from_config(obj.get_config())
      self.assertEqual(obj.name, "iou_class_1_0")
      self.assertAlmostEqual(obj2.threshold, 0.1)
      self.assertEqual(obj.target_class_ids, [1, 0])
  
imports: import numpy
  import pytest
  from keras import layers
  from keras import models
  from keras import testing
  from keras.metrics import iou_metrics
label_desc: Use image node_id 1 for calling the BinaryIoUTest obj's underlying member method code with example usage: obj.test_config() without return types