rrectly after being dynamically set', function() {
        var f = fixture('dynamic');
        var target = f.querySelector('#target');
        var tooltip = f.querySelector('paper-tooltip');

        var actualTooltip = Polymer.dom(tooltip.root).querySelector('#tooltip');
        assert.isTrue(isHidden(actualTooltip));

        // Skip animations in this test, which means we'll show and hide
        // the tooltip manually, instead of calling focus and blur.

        // The tooltip is shown because it's a 