Ticket #28986: 28986.1.diff

tests/phpunit/includes/testcase.php

@@ -11 +11 @@
         protected $expected_doing_it_wrong = array();
         protected $caught_doing_it_wrong = array();
 
-        protected static $hooks_saved = array();
+        protected static $hooks_saved = array(
+                'merged_filters' => array(),
+                'wp_actions' => array(),
+                'wp_current_filter' => array(),
+                'wp_filter' => array(),
+    );
         protected static $ignore_files;
 
         /**