e('color'), blue);
    }, "empty node is blue");

    test(function (t) {
      const test = document.getElementById('test');
      const target = test.shadowRoot.getElementById('target');
      t.add_cleanup(() => { test.innerHTML = 'Test' });
      test.slot.assign(test.childNodes[0])
      styles = getComputedStyle(target);
      assert_equals(test.slot.assignedNodes().length, 1);
      assert_equals(styles.getPropertyValue('color'), green);
      test.slot.assign()
      styles = getComputedStyle(target