update test token

Author: XiaopingSun

QiniuSDKTests/QNTestConfig.h

@@ -6,4 +6,4 @@
 //  Copyright (c) 2014年 Qiniu. All rights reserved.
 //
 
-static NSString *const g_token = @"Oh5V7tcC3YiXDpQaXf6GMn_dIOVzQBnW9j4UZePS:72rGIwefuYSAnvH7XD8aaZLUS5Y=:eyJzY29wZSI6InB1cnN1ZS16MCIsImRlYWRsaW5lIjoxNTcxMjEzNTEwfQo=";
+static NSString *const g_token = @"bjtWBQXrcxgo7HWwlC_bgHg81j352_GhgBGZPeOW:xqqLWq-eaaIMfbL0-T1lL8AGl9c=:eyJzY29wZSI6InNodWFuZ2h1bzEiLCJkZWFkbGluZSI6MTU4ODA2Nzg3NX0K";