hotfix for phpunit

Author: lloydzhou

test/UtilsTest.php

@@ -1,4 +1,9 @@
 <?php 
+
+if (!class_exists('PHPUnit_Framework_TestCase')) {
+    class PHPUnit_Framework_TestCase extends \PHPUnit\Framework\TestCase {}
+}
+
 class UtilsTest extends \PHPUnit_Framework_TestCase{
     function testCookie(){
         $this->assertNull(cookie('foo'));