use fixed zone to avoid travis not able to resolve uc domain error

Author: jemygraw

Makefile

@@ -1,5 +1,5 @@
 build-and-test:
-	mkdir bin/
+	mkdir -p bin/
 	cp tools/net40/Newtonsoft.Json.dll bin/
 	cp tools/net40/nunit.framework.dll bin/
 	cp tools/files/* bin/

src/QiniuTests/Storage/BucketManagerTests.cs

@@ -14,6 +14,7 @@ public class BucketManagerTests : TestEnv
         public void Init()
         {
             Config config = new Config();
+            config.Zone = Zone.ZONE_CN_East;
             Mac mac = new Mac(AccessKey, SecretKey);
             this.bucketManager = new BucketManager(mac, config);
         }

src/QiniuTests/Storage/FormUploaderTests.cs

@@ -26,6 +26,7 @@ public void UploadFileTest()
             Console.WriteLine(putPolicy.ToJsonString());
             string token = Auth.CreateUploadToken(mac, putPolicy.ToJsonString());
             Config config = new Config();
+            config.Zone = Zone.ZONE_CN_East;
             //config.UseHttps = true;
             config.UseCdnDomains = true;
             config.ChunkSize = ChunkUnit.U512K;

src/QiniuTests/Storage/ResumableUploaderTests.cs

@@ -27,6 +27,7 @@ public void UploadFileTest()
             string token = Auth.CreateUploadToken(mac, putPolicy.ToJsonString());
 
             Config config = new Config();
+            config.Zone = Zone.ZONE_CN_East;
             config.UseHttps = true;
             config.UseCdnDomains = true;
             config.ChunkSize = ChunkUnit.U512K;
@@ -54,6 +55,7 @@ public void ResumeUploadFileTest()
 
             Config config = new Config();
             config.UseHttps = true;
+            config.Zone = Zone.ZONE_CN_East;
             config.UseCdnDomains = true;
             config.ChunkSize = ChunkUnit.U512K;
             ResumableUploader target = new ResumableUploader(config);