<!DOCTYPE html>
<html>
  <head>
    <title>index.js Mocha Tests</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="../node_modules/mocha/mocha.css" />
  </head>
  <body>
    <div id="mocha"></div>
    <script src="../node_modules/mocha/mocha.js"></script><!-- provides `describe` and `it` globals -->
    <script src="../node_modules/chai/chai.js"></script><!-- provides `chai` global -->
    <script src="../dist/intl-messageformat.min.js"></script><!-- provides `IntlMessageFormat` global -->
    <script>mocha.setup('bdd')</script>
    <script src="index.js"></script>
    <script>
      mocha.run();
    </script>
  </body>
</html>

<!DOCTYPE html>
<html>
  <head>
    <title>index.js Mocha Tests</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="../node_modules/mocha/mocha.css" />
  </head>
  <body>
    <div id="mocha"></div>
    <script src="../node_modules/mocha/mocha.js"></script><!-- provides `describe` and `it` globals -->
    <script src="../node_modules/chai/chai.js"></script><!-- provides `chai` global -->
    <script src="../node_modules/intl/Intl.complete.js"></script> <!-- provides `Intl` polyfill -->
    <script src="../dist/intl-messageformat.min.js"></script><!-- provides `IntlMessageFormat` global -->
    <script>mocha.setup('bdd')</script>
    <script src="index.js"></script>
    <script>
      mocha.run();
    </script>
  </body>
</html>

Add Intl.js polyfill in browser tests
Add Intl.js polyfill in browser tests
