code: def test_can_process_pattern_x_unit_to_y_unit(self):
      statement = Statement(text="0 Celsius to fahrenheit")
      self.assertTrue(self.adapter.can_process(statement))
  
imports: from tests.base_case import ChatBotTestCase
  from chatterbot.logic import UnitConversion
  from chatterbot.conversation import Statement
label_desc: Use image node_id 3 for calling the UnitConversionTests obj's underlying member method code with example usage: obj.test_can_process_pattern_x_unit_to_y_unit() without return types