PinManager { public static PinManager getInstance() { return instance; } private  PinManager(BoardType boardType); Class<ChipPinCode> getPinCodeClass(); static PinManager getInstance(); Pin createPin(PinCode pinCode, Pin.Mode mode); Pin getPin(String code);  }
@Test public void testGetInstance() throws Exception { PinManager pm = PinManager.getInstance(); assert pm != null; }