src/test/java/SignTest.java
@Test
 public void find_returnsSignWithSameId_fourthSign() {
	 Sign thirdSign = new Sign(3);
	 Sign fourthSign = new Sign(4);
	 assertEquals(Sign.find(fourthSign.getId()), fourthSign);
 }
//returns a sign with given id
returns a sign with given id
returns a sign with given id
@Test
 public void find_returnsSignWithSameId_fourthSign() {
	 Sign thirdSign = new Sign(3);
	 Sign fourthSign = new Sign(4);
	 assertEquals(Sign.find(fourthSign.getId()), fourthSign);
 }
@ Test public void find_returnsSignWithSameId_fourthSign ( ) { Sign thirdSign = new Sign ( 3 ) ; Sign fourthSign = new Sign ( 4 ) ; assertEquals ( Sign . find ( fourthSign . getId ( ) ) , fourthSign ) ; }
returns a sign with given id
returns a sign with given id