code: def test_square_root_function(self):
      statement = Statement(text="What is the sqrt 144 ?")
      response = self.adapter.process(statement)
      self.assertEqual(response.text, "sqrt 144 = 12.0")
      self.assertEqual(response.confidence, 1)
  
imports: from tests.base_case import ChatBotTestCase
  from chatterbot.logic import MathematicalEvaluation
  from chatterbot.conversation import Statement
label_desc: Use image node_id 19 for calling the MathematicalEvaluationTests obj's underlying member method code with example usage: obj.test_square_root_function() without return types