use namespace for kerio api

app/Http/Actions/TestConnection.php

@@ -19,6 +19,7 @@ class TestConnection extends AddonController
 {
 
     use ExtensionsCheckerTrait;
+    use KerioConnectApi;
     /**
      *
      *
@@ -31,7 +32,7 @@ class TestConnection extends AddonController
          * API Connection
          */
 
-        $api = new KerioConnectApi\KerioConnectApi('whmcsKerioEmail', 'Thurdata', '1.0');
+        $api = new KerioConnectApi('whmcsKerioEmail', 'Thurdata', '1.0');
         try {
             $api->login($params['serverhostname'], $params['serverusername'], $params['serverpassword']);
             $serverInfo = $api->sendRequest('Server.getProductInfo');