??????????
????Spring?????????????????TestContext??TestContextManager??TestExcutionListener??????????????????????????TestContextManager???????????????????TestContext?????????????????????????????????????????????????TestContextManager????????????и???TestContext???????????TestExecutionListener???????????????????У????????????????????
??????????????????Spring???????????????е?????????Spring????ι?????

??????TestContext??????????????????SpringJUnit4ClassRunner??createTestContextManager?????? TestContextManager

?????????TestContext???????????1?????????????????????????????????????δ???ContextLoader