testrail link: https://testrail.stage.mozaws.net/index.php?/cases/view/76177 Preconditions: Visit multiple websites and populate Top Sites area.(a restart is needed for the Top Sites to be populated or they will appear by themselves after 15 minutes) Steps: 1. Hover one of the Top Sites tiles and click the "(...)" button 2. Click the "Dismiss" option 3. Observe the Top Sites tiles 4. Refresh the New Tab page 5. Restart the browser and observe the New Tab page Expected results: Step 1: A sub-menu is displayed with the following options: - Pin - Open in a New Window - Open in a Private Window - Dismiss - Delete from History Step 2: The website is dismissed from Top Sites section. Website is not removed from History. Step 3: The tile that is next in queue has replaced the dismissed one. Step 4: The dismissed top site is no longer displayed. Step 5: The dismissed top site is no longer displayed.