// view mode) is fixed.
vp.waitForDocExtraPaneActive("comments");
// Verify that we can rollback to the first version
HistoryPane historyTab = vp.openHistoryDocExtraPane();
vp = historyTab.rollbackToVersion("1.1");
// Rollback doesn't wait...
// Wait for the comment tab to be selected since we're currently on the history tab and rolling
// back is going to load a new page and make the focus active on the comments tab.
vp.waitForDocExtraPaneActive("comments");