????????????????? ????? ???????
?????????xcode5 ?????????????????????????????????????????xcode5???????????????????????????????????ARC??
????xcode5 ?????????????? XCTest.framework
???????????????xcode5 ???????? ??? StudengManager ??????

??????????????? XCTest.framework
??????????????? XXXX?????Test??
?????????? xxxxxTest.m
????Test.m?????????? .h????????? ??? XCTestCase ??
???????????????????????? ???? com + u ?????? ?????? --> product --> test?? ??????????

?????????????????????????????????? ?????? ????? - (void)test??????????
??????????????????? XCTest.framework ????????????????????????api;
?????????Щ??????api??????
????1:??????????????????????Student????????? ????????????????к? ????????