@Test
public void testToString() {
Ticket t1 = new WalkupTicket(222);
String output = t1.toString();
assertTrue(t1.toString().equals("Number: 222, Price: 50.0"));
}
@Test
public void testGetPrice() {
Ticket t1 = new WalkupTicket(111);
Assert.assertEquals(50.0, t1.getPrice(), 0);
}