@Test
public void testInvalidLeastThan5Speed() {
expectedException.expect(IllegalArgumentException.class);
car.setSpeed(1);
car.validate();
}
@Test
public void testInvalidGreaterThan30Speed() {
expectedException.expect(IllegalArgumentException.class);
car.setSpeed(56);
car.validate();
}
@Test
public void testValidSpeed() {
car.setSpeed(10);
car.validate();
Assert.assertTrue(true);
}