class_docstr: Test the datetime parsing module.
  
  Output of the parser is an array of tuples
  [match, value, (start, end)]
class_docstr_tok: ["Test","the","datetime","parsing","module",".","Output","of","the","parser","is","an","array","of","tuples","[","match",",","value",",","(","start",",","end",")","]"]
code: def setUp(self):
      super().setUp()
      self.base_date = datetime.now()
  
imports: from unittest import TestCase
  from datetime import timedelta, datetime
  from chatterbot import parsing
label_desc: Use image node_id 1 for calling the DateTimeParsingFunctionIntegrationTestCases obj's underlying member method code with example usage: obj.setUp() without return types