Ability to handle missing accesors for unknown objects in json

-  JSON body that has objects who do not have Model Getter Setters are handled properly

tests/PayPal/Test/Validation/ModelAccessValidatorTest.php

@@ -1,6 +1,7 @@
 <?php
 namespace PayPal\Test\Validation;
 
+use PayPal\Core\PayPalConfigManager;
 use PayPal\Test\Common\SimpleClass;
 use PayPal\Validation\ModelAccessorValidator;
 
@@ -27,6 +28,16 @@ class ModelAccessValidatorTest extends \PHPUnit_Framework_TestCase
         );
     }
 
+    public function setUp()
+    {
+        PayPalConfigManager::getInstance()->addConfigs(array('validation.level' => 'strict'));
+    }
+
+    public function tearDown()
+    {
+        PayPalConfigManager::getInstance()->addConfigs(array('validation.level' => 'strict'));
+    }
+
     /**
      *
      * @dataProvider positiveProvider