调整测试文件目录

Author: sabakugaara

sample.jpeg tests/assets/sample.jpegsample.jpeg renamed to tests/assets/sample.jpeg

@@ -3,5 +3,5 @@
 		'user_name' => 'tester',
 		'pwd' => 'grjxv2mxELR3',
 		'bucket' => 'sdkimg',
-		'picture_path' => './sample.jpeg'
+		'picture_path' => dirname(__FILE__) . '/assets/sample.jpeg'
 	);