ty: 0;'),
            'condensed-title when progress = 0.5');

          container._updateScrollState(container.offsetHeight);

          assert.isTrue(sameCSS(container.$.mainTitle,
            'will-change: opacity; transform: translate(100px, 100px) scale3d(2, 2, 1); opacity: 0;'),
            'main-title when progress = 1');

          assert.isTrue(sameCSS(container.$.condensedTitle,
            'will-change: opacity; transform: translateZ(0px); opacity: 1;'),
            'condensed-title when progress