fix of test PHP 5.4

Author: Kacper Stasik

tests/RedefineTest.php

@@ -54,7 +54,7 @@ public function testBase()
         /* @var $type \GoetasWebservices\XML\XSDReader\Schema\Type\ComplexType */
         $type = $localAttr->getType();
 
-        $this->assertInstanceOf(\GoetasWebservices\XML\XSDReader\Schema\Type\ComplexType::class, $type);
+        $this->assertInstanceOf('\GoetasWebservices\XML\XSDReader\Schema\Type\ComplexType', $type);
 
         $children = array();
         foreach($type->getElements() as $element){