r('slot');
  assert.include(c2.assignedNodes({flatten: true}), projected);
  var c3 = p.root.querySelector('slot');
  assert.include(c3.assignedNodes({flatten: true}), projected);
  var ip$ = [c1, c2, c3];
  var as$ = allInsertionPoints(projected);
  assert.deepEqual(as$, ip$);
});

test('shadyRoot (reproject)', function() {
  var select = document.querySelector('x-select1');
  var child = select.firstElementChild;
  var c1 = select.root.querySelector('slot');
  var c2 = select.$.select.root.querySelector('