def test_valid_execute(self):
        """
        Test the execute method with a valid command for the Worker Invoker.

        @raise AssertionError: If the test fails.
        """
        self.assertEquals("Temperature lowered by 5 degrees", self.worker.execute(self.lower_temp_command))
        self.assertEquals("Temperature raised by 5 degrees", self.worker.execute(self.raise_temp_command))

        Test the execute method with a valid command for the Worker Invoker.

        @raise AssertionError: If the test fails.
        
tests/behavioral_tests/test_command.py