code: def test_compilation(self):
      m_obj = metrics.MeanIoU(num_classes=2)
      model = models.Sequential(
          [
              layers.Dense(2, activation="softmax"),
          ]
      )
      model.compile(optimizer="rmsprop", loss="mse", metrics=[m_obj])
      model.fit(np.array([[1.0, 1.0]]), np.array([[1.0, 0.0]]))
  
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 7 for calling the IoUTest obj's underlying member method code with example usage: obj.test_compilation() without return types