Polymer 2.3.1 Testng Iron-Selector

<!DOCTYPE html>
<html>

<head>
  <link rel="stylesheet" href="style.css">
  <script src="script.js"></script>
  <script src="https://cdn.rawgit.com/download/polymer-cdn/2.3.1/lib/webcomponentsjs/webcomponents-lite.js"></script>
  <link rel="import" href="https://cdn.rawgit.com/download/polymer-cdn/2.3.1/lib/paper-toast/paper-toast.html">
  <link rel="import" href="https://cdn.rawgit.com/download/polymer-cdn/2.3.1/lib/iron-selector/iron-selector.html">

</head>

<body>
<p>Start:</p>
  <iron-selector multi selected-values="[0,2]">
    <div>Item 0</div>
    <div>Item 1</div>
    <div>Item 2</div>
    <div>Item 3</div>
    <div>Item 4</div>
  </iron-selector>
<p>End:</p>

<paper-toast text="Polymer is working!" opened></paper-toast>

</body>

</html>

// Code goes here

/* Styles go here */