Patch ut (#172)

* update

* fix ut

Co-authored-by: lewzylu <lewzylu@tencent.com>

Author: lewzylu

src/Qcloud/Cos/Tests/COSTest.php

@@ -591,6 +591,7 @@ public function testGetBucketWithChinese()
                 'Bucket' =>  $this->bucket,
                 'Prefix' => '中文',
                 'Delimiter' => '/'));
+            $this->assertTrue(TRUE);
         } catch (ServiceResponseException $e) {
             print $e;
             $this->assertFalse(TRUE);