re-enable another test

Author: mdebbar

…ize_html_element_view_test_disabled.dart …lexible_size_html_element_view_test.dartpackages/google_sign_in/google_sign_in_web/example/integration_test/flexible_size_html_element_view_test_disabled.dart renamed to packages/google_sign_in/google_sign_in_web/example/integration_test/flexible_size_html_element_view_test.dart packages/google_sign_in/google_sign_in_web/example/integration_test/flexible_size_html_element_view_test_disabled.dart renamed to packages/google_sign_in/google_sign_in_web/example/integration_test/flexible_size_html_element_view_test.dart

@@ -11,10 +11,6 @@ import 'package:google_sign_in_web/src/flexible_size_html_element_view.dart';
 import 'package:integration_test/integration_test.dart';
 import 'package:web/web.dart' as web;
 
-// TODO(stuartmorgan): Re-enable this test, by renaming it not to end with
-// _disabled. It is currently extremely flaky on WASM, see
-// https://github.com/flutter/flutter/issues/176299
-
 /// Used to keep track of the number of HtmlElementView factories the test has registered.
 int widgetFactoryNumber = 0;