message: Updating regex in test case to a more stable one with inline dotall flag.
diff: @@ -310,10 +310,8 @@ class KerasCallbacksTest(keras_parameterized.TestCase):
  x = np.ones((100, 3))
  y = np.zeros((100, 2))
  expected_log = (
  - r'.*1/2\n'
  - r'.*80/80.*- loss:.*- my_acc:.*- val_loss:.*- val_my_acc:.*\n'
  - r'.*2/2\n'
  - r'.*80/80.*- loss:.*- my_acc:.*- val_loss:.*- val_my_acc:.*')
  + r'(?s).*1/2.*80/80.*- loss:.*- my_acc:.*- val_loss:.*- val_my_acc:'
  + r'.*2/2.*80/80.*- loss:.*- my_acc:.*- val_loss:.*- val_my_acc:.*')
  with self.captureWritesToStream(sys.stdout) as printed:
  model.fit(x, y, batch_size=10, epochs=2, validation_split=0.2)
  