code: def test_arima_forecaster_shape_error(self):
      data, validation_data = create_data()
      forecaster = ARIMAForecaster(
          p=2, q=2, seasonality_mode=True, P=1, Q=1, m=7
      )
  
      with pytest.raises(AssertionError):
          forecaster.fit(data.reshape(-1, 1), validation_data)
  
      with pytest.raises(AssertionError):
          forecaster.fit(data, validation_data.reshape(-1, 1))
  
file_path: analytics-zoo/pyzoo/test/zoo/chronos/forecaster/test_arima_forecaster.py
imports: import numpy
  import tempfile
  import os
  from zoo.chronos.forecaster.arima_forecaster import ARIMAForecaster
  from unittest import TestCase
  import pytest
label_desc: Use image node_id 6 for calling the TestChronosModelARIMAForecaster obj's underlying member method code with example usage: obj.test_arima_forecaster_shape_error() without return types