Fix PHP 7.2 incompability

Author: gziolo

tests/phpunit/tests/abilities-api/wpAbility.php

@@ -111,7 +111,7 @@ public function test_get_merged_annotations_from_meta() {
 				array(
 					'instructions' => '',
 					'idempotent'   => false,
-				),
+				)
 			),
 			$ability->get_meta_item( 'annotations' )
 		);