fix reverse test sum

Author: has-well

lib/Configuration.php

@@ -133,7 +133,7 @@ public static function setApiUrl($ApiUrl)
     }
 
     /**
-     * @return ClientInterface Http Client
+     * @return string
      */
     public static function getHttpClient()
     {

tests/OrderTest.php

@@ -81,7 +81,7 @@ public function testReverse()
         $this->setTestConfig();
         $reverseData = [
             'currency' => 'USD',
-            'amount' => 10,
+            'amount' => 1000,
             'order_id' => $this->orderID['order_id']
         ];
         $data = \Cloudipsp\Order::reverse($reverseData);