      assert.equal(getComputedStyle(container.querySelector('#l')).visibility, 'hidden', 'label has visibility:hidden');
      });

      test('label is floated if always-float-label is true', function() {
        var container = fixture('always-float');
        assert.notEqual(getTransform(container.querySelector('#l')), 'none', 'label has transform');
      });

      test('label is floated correctly with a prefix', function(done) {
        var container = fixture('prefix');
        var label = Polymer.do