// restToStringTest(): integer duration, decimal duration
@Test
public void restToStringTest() {
Rest a = new Rest(5);
Rest b = new Rest(4.5);
assertEquals(".5.0", a.toString());
assertEquals(".4.5", b.toString());
}
// restConstructorTest()
@Test
public void restConstructorTest() {
Rest a = new Rest(5);
assertEquals(".5.0", a.toString());
}