88     def send(cls, cmd):  member in MicroPython_Test
167         cls.send(b'cd ' + os.path.dirname(__file__).encode('utf-8') + b'\n')
168         cls.send(MICROPYTHON_PATH.encode('utf-8') + b'\n')
181             cls.send(CTRL_C)
182             cls.send(CTRL_C)
183             cls.send(CTRL_D)
219         self.send(CTRL_E)
228             self.send(line + b'\n')
239             self.send(CTRL_D)
297         self.send(CTRL_C)
298         self.send(CTRL_C)