code: def test_filter_date_month(date_dataframe):
      df = date_dataframe.filter_date(
          column_name="DATE", months=range(10, 12)
      )
  
      test_result = df.DATE.dt.month.unique()
      expected_result = np.array([10, 11])
  
      assert np.array_equal(test_result, expected_result)
  
file_path: pyjanitor/tests/functions/test_filter_date.py
imports: import numpy
  import pandas
  import pytest
label_desc: Use image node_id 4 for calling a global function with example usage: test_filter_date_month(date_dataframe) without return types