Parking { @Override public String toString() { throw new NotImplementedException("TODO"); }  int getAvailableBays(); int parkCar(final char carType); boolean unparkCar(final int index); @Override String toString();  }
@Test public void testToString() { assertEquals("UUUUU\nU=UU@\n@U=UU\nUUUUU\nUUUUU", parking.toString()); }