Changed some tests

Author: Swader

tests/Api/setterUpper.php

@@ -6,7 +6,7 @@
 use GuzzleHttp\HandlerStack;
 use Http\Adapter\Guzzle6HttpAdapter;
 use Http\Client\Utils\HttpMethodsClient;
-use Http\Discovery\MessageFactory\GuzzleFactory;
+use Http\Discovery\MessageFactory\GuzzleMessageFactory as GuzzleFactory;
 use Swader\Diffbot\Diffbot;
 use GuzzleHttp\Handler\MockHandler;
 use GuzzleHttp\Psr7\Response;
@@ -51,4 +51,4 @@ public function getCustomMockFakeClient($filepath, $code = 200)
             new GuzzleFactory());
 
     }
-}
+}

tests/DiffbotTest.php

@@ -8,7 +8,7 @@
 use GuzzleHttp\Psr7\Response;
 use Http\Adapter\Guzzle6HttpAdapter;
 use Http\Client\Utils\HttpMethodsClient;
-use Http\Discovery\MessageFactory\GuzzleFactory;
+use Http\Discovery\MessageFactory\GuzzleMessageFactory as GuzzleFactory;
 use Swader\Diffbot\Diffbot;
 
 class DiffbotTest extends \PHPUnit_Framework_TestCase
@@ -169,4 +169,4 @@ public function testSearchCreation()
         );
     }
 
-}
+}