(done) {
        flush(function() {
          container._updateScrollState(0);

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

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