Fix flaky automation tests

src/NzbDrone.Automation.Test/MainPagesTest.cs

@@ -18,7 +18,6 @@ namespace NzbDrone.Automation.Test
         }
 
         [Test]
-        [Retry(3)]
         public void indexer_page()
         {
             _page.MovieNavIcon.Click();
@@ -31,7 +30,6 @@ namespace NzbDrone.Automation.Test
         }
 
         [Test]
-        [Retry(3)]
         public void system_page()
         {
             _page.SystemNavIcon.Click();

src/NzbDrone.Automation.Test/PageModel/PageBase.cs

@@ -39,6 +39,10 @@ namespace NzbDrone.Automation.Test.PageModel
                     var element = d.FindElement(By.ClassName("followingBalls"));
                     return !element.Displayed;
                 }
+                catch (StaleElementReferenceException)
+                {
+                    return true;
+                }
                 catch (NoSuchElementException)
                 {
                     return true;