Declare functions with access modifiers

Change-Id: I047d3dc6642de07130a43ad4c2fd4a8106450aac

tests/phpunit/ResourceLoaderULSTest.php

@@ -17,7 +17,7 @@ class ResourceLoaderULSModuleMemcachedTest extends MediaWikiTestCase {
 	 * correctly with language code.
 	 * @covers ResourceLoaderSchemaModule::getModifiedTime
 	 */
-	function testModifiedTime() {
+	public function testModifiedTime() {
 		$request = new WebRequest();
 		$module = new ResourceLoaderULSModule();