Re-enable events_test with fix (#2189)

Author: elliette

dwds/lib/src/handlers/dev_handler.dart

@@ -684,6 +684,7 @@ class DevHandler {
       scheme: 'http',
       host: devTools.hostname,
       port: devTools.port,
+      path: 'debugger',
       queryParameters: {
         'uri': debugServiceUri,
         if (ideQueryParam.isNotEmpty) 'ide': ideQueryParam,

dwds/test/events_test.dart

@@ -160,7 +160,6 @@ void main() {
             () => keyboard.sendChord([Keyboard.alt, 'd']),
           );
         },
-        skip: 'https://github.com/dart-lang/webdev/issues/2181',
       );
 
       test('emits DEVTOOLS_LAUNCH event', () async {