ClientRect().left, container.getBoundingClientRect().left);
          done();
        });
      });

      test('label is floated correctly with a prefix and prefilled value', function(done) {
        var container = fixture('prefix-has-value');
        var label = Polymer.dom(container).querySelector('#l');

        // The label floats, and it is not indented.
        requestAnimationFrame(function() {
          assert.notEqual(getTransform(label), 'none', 'label has transform');
          assert.equal(lab