Improve unit test for translation files

app/Locale/zh_CN/translations.php

@@ -1092,11 +1092,11 @@ return array(
     'There is no available project.' => '当前没有可用项目',
     'Local File' => '本地文件',
     'Configuration' => '配置选项',
-    'PHP version:' => '',
-    'PHP SAPI:' => '',
-    'OS version:' => '',
-    'Database version:' => '',
-    'Browser:' => '',
+    // 'PHP version:' => '',
+    // 'PHP SAPI:' => '',
+    // 'OS version:' => '',
+    // 'Database version:' => '',
+    // 'Browser:' => '',
     'Task view' => '任务浏览',
     'Edit task' => '编辑任务',
     'Edit description' => '编辑描述',