Update DownloadTest.php

Author: ankadada

tests/Qiniu/Tests/DownloadTest.php

@@ -8,7 +8,7 @@ class DownloadTest extends \PHPUnit_Framework_TestCase
     public function test()
     {
         global $testAuth;
-        $base_url = 'http://private-res.qiniudn.com/gogopher.jpg';
+        $base_url = 'http://sdk.peterpy.cn/sdktest.png';
         $private_url = $testAuth->privateDownloadUrl($base_url);
         $response = Client::get($private_url);
         $this->assertEquals(200, $response->statusCode);
@@ -17,7 +17,7 @@ public function test()
     public function testFop()
     {
         global $testAuth;
-        $base_url = 'http://private-res.qiniudn.com/gogopher.jpg?exif';
+        $base_url = 'http://sdk.peterpy.cn/sdktest.png?exif';
         $private_url = $testAuth->privateDownloadUrl($base_url);
         $response = Client::get($private_url);
         $this->assertEquals(200, $response->statusCode);