Bucket, Operation test use https

Author: lihsai0

src/QiniuTests/Storage/BucketManagerTests.cs

@@ -14,6 +14,7 @@ public void StatTest()
         {
             Config config = new Config();
             config.Zone = Zone.ZONE_CN_East;
+            config.UseHttps = true;
             Mac mac = new Mac(AccessKey, SecretKey);
             BucketManager bucketManager = new BucketManager(mac, config);
             string key = "qiniu.png";

src/QiniuTests/Storage/OperationManagerTests.cs

@@ -22,6 +22,7 @@ public void PfopTest()
             string fops = string.Join(";", new string[] { avthumbMp4Fop, vframeJpgFop });
             Mac mac = new Mac(AccessKey, SecretKey);
             Config config = new Config();
+            config.UseHttps = true;
             OperationManager manager = new OperationManager(mac, config);
             string pipeline = "sdktest";
             string notifyUrl = "http://api.example.com/qiniu/pfop/notify";