Index: tests/phpunit/tests/xmlrpc/wp/getPosts.php
===================================================================
--- tests/phpunit/tests/xmlrpc/wp/getPosts.php	(revision 25848)
+++ tests/phpunit/tests/xmlrpc/wp/getPosts.php	(working copy)
@@ -64,6 +64,7 @@
 		$posts_found = array();
 		$filter['number'] = 5;
 		$filter['offset'] = 0;
+		$filter['orderby'] = 'ID';
 		do {
 			$presults = $this->myxmlrpcserver->wp_getPosts( array( 1, 'editor', 'editor', $filter ) );
 			foreach( $presults as $post ) {