Making Functional Test Validation Strict

tests/bootstrap.php

@@ -2,6 +2,9 @@
 
 // Include the composer autoloader
 $loader = require dirname(__DIR__) . '/vendor/autoload.php';
+if (!ini_get('date.timezone')) {
+    date_default_timezone_set('GMT');
+}
 $loader->add('PayPal\\Test', __DIR__);
 if (!defined("PP_CONFIG_PATH")) {
     define("PP_CONFIG_PATH", __DIR__);