code: def test_inches_to_kilometers_variation_2(self):
      statement = Statement(
          text="how many  inches  in two  kilometers ?"
      )
      self.assertTrue(self.adapter.can_process(statement))
      expected_value = 78740.2
      response_statement = self.adapter.process(statement)
      self.assertIsNotNone(response_statement)
      self.assertLessEqual(
          abs(response_statement.confidence - 1.0), 1e-10
      )
      self.assertLessEqual(
          abs(float(response_statement.text) - expected_value), 0.1
      )
  
imports: from tests.base_case import ChatBotTestCase
  from chatterbot.logic import UnitConversion
  from chatterbot.conversation import Statement
label_desc: Use image node_id 9 for calling the UnitConversionTests obj's underlying member method code with example usage: obj.test_inches_to_kilometers_variation_2() without return types