fix cache keys timeout.

examcloud-support/src/test/java/cn/com/qmth/examcloud/support/test/RedisKeyBuilderTest.java

@@ -1,13 +0,0 @@
-package cn.com.qmth.examcloud.support.test;
-
-import cn.com.qmth.examcloud.support.redis.RedisKeyHelper;
-
-public class RedisKeyBuilderTest {
-
-	public static void main(String[] args) {
-
-		System.out.println(RedisKeyHelper.getBuilder().examRecordDataKey(10L));
-		System.out.println(RedisKeyHelper.getBuilder().studentAnswerKey(10L, 1));
-	}
-
-}