code: def test_filter_different_date_format(date_dataframe):
      end_date = "01@@@@29@@@@19"
      format = "%m@@@@%d@@@@%y"
      df = date_dataframe.filter_date(
          column_name="DATE", end_date=end_date, format=format
      )
  
      assert df.shape[0] == 2
  
file_path: pyjanitor/tests/functions/test_filter_date.py
imports: import numpy
  import pandas
  import pytest
label_desc: Use image node_id 8 for calling a global function with example usage: test_filter_different_date_format(date_dataframe) without return types