SerializerMock isn't necessary

Author: im-denisenko

test/lib/Elastica/Test/TypeTest.php

@@ -799,7 +799,7 @@ public function testAddObject()
         $index = $this->_createIndex();
 
         $type = new Type($index, 'user');
-        $type->setSerializer(array(new SerializerMock(), 'serialize'));
+        $type->setSerializer('get_object_vars');
 
         $userObject = new \stdClass();
         $userObject->username = 'hans';
@@ -822,7 +822,7 @@ public function testSetSerializer()
     {
         $index = $this->_createIndex();
         $type = $index->getType('user');
-        $ret = $type->setSerializer(array(new SerializerMock(), 'serialize'));
+        $ret = $type->setSerializer('get_object_vars');
         $this->assertInstanceOf('Elastica\Type', $ret);
     }
 
@@ -888,11 +888,3 @@ public function testGetMappingAlias()
         );
     }
 }
-
-class SerializerMock
-{
-    public function serialize($object)
-    {
-        return get_object_vars($object);
-    }
-}