   </template>
  </test-fixture>

  <script type="module">
import '../../polymer-legacy.js';
import '../../lib/mixins/dir-mixin.js';
function assertComputed(node, expected, property = 'border-top-width') {
  let actual = getComputedStyle(node).getPropertyValue(property).trim();
  assert.equal(expected, actual);
}

suite(':dir', function() {
  teardown(function() {
    document.documentElement.setAttribute('dir', 'rtl');
  });

  test(':dir(rtl) functions when html element dir attr set to rtl', function() {
