编写测试代码。

examcloud-core-oe-student-service/src/main/java/cn/com/qmth/examcloud/core/oe/student/service/impl/ExamControlServiceImpl.java

@@ -314,9 +314,9 @@ public class ExamControlServiceImpl implements ExamControlService {
      */
     private void prepare4Exam(Long examStudentId, User user) {
 
-        // 开始考试上锁,分布式锁,系统在请求结束后会，自动释放锁，无需手动解锁
-        String sequenceLockKey = Constants.EXAM_CONTROL_LOCK_PREFIX + user.getUserId();
-        SequenceLockHelper.getLock(sequenceLockKey);
+//        // 开始考试上锁,分布式锁,系统在请求结束后会，自动释放锁，无需手动解锁
+//        String sequenceLockKey = Constants.EXAM_CONTROL_LOCK_PREFIX + user.getUserId();
+//        SequenceLockHelper.getLock(sequenceLockKey);
 
         SysPropertyCacheBean stuClientLoginLimit = CacheHelper.getSysProperty("STU_CLIENT_LOGIN_LIMIT");
         Boolean stuClientLoginLimitBoolean = false;