ensure dart2js does not compile unsupported packages (#40368)
diff --git a/dev/integration_tests/web_compile_tests/web/index.html b/dev/integration_tests/web_compile_tests/web/index.html
new file mode 100644
index 0000000..8115fbb
--- /dev/null
+++ b/dev/integration_tests/web_compile_tests/web/index.html
@@ -0,0 +1,12 @@
+<!-- Copyright 2019 The Chromium Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>Hello, World</title>
+ </head>
+ <body>
+ <script src="main.dart.js"></script>
+ </body>
+</html>
