code: def create_data():
      seq_len = 400
      data = np.random.rand(seq_len)
      horizon = np.random.randint(2, 50)
      validation_data = np.random.rand(horizon)
      return data, validation_data
  
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 1 for calling a global function with example usage: create_data() and returns: data,  validation_data