test: run html/webappapis/timers WPT

Author: joyeecheung

test/wpt/status/html/webappapis/timers.json

@@ -0,0 +1 @@
+{}

test/wpt/test-timers.js

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+'use strict';
+
+// Flags: --expose-internals
+
+require('../common');
+const { WPTRunner } = require('../common/wpt');
+
+const runner = new WPTRunner('html/webappapis/timers');
+
+// Copy global descriptors from the global object
+runner.copyGlobalsFromObject(global, [
+  'setInterval',
+  'clearInterval',
+  'setTimeout',
+  'clearTimeout'
+]);
+
+runner.runJsTests();