Bug 1412761 - remove dup test case;r=Fischer

MozReview-Commit-ID: 9MLGQI3SiIf

--HG--
extra : rebase_source : 1b652a2ad6aa6b51e15828e1b6944b887972a6cb

browser/extensions/onboarding/test/browser/browser_onboarding_uitour.js

@@ -46,21 +46,6 @@ add_task(async function test_clean_up_uitour_after_closing_overlay() {
   await highlightClosePromise;
   is(highlight.state, "closed", "Should close UITour highlight after closing the overlay by clicking the overlay");
 
-  // Trigger UITour showHighlight
-  highlightOpenPromise = promisePopupChange(highlight, "open");
-  await triggerUITourHighlight("library", tab);
-  await highlightOpenPromise;
-  is(highlight.state, "open", "Should show UITour highlight");
-  is(highlight.getAttribute("targetName"), "library", "UITour should highlight library");
-
-  // Close the overlay by clicking the overlay
-  // Should not click the close button here since the close button is hovered by appmenu and can't be clicked on win7
-  highlightClosePromise = promisePopupChange(highlight, "closed");
-  BrowserTestUtils.synthesizeMouseAtPoint(2, 2, {}, tab.linkedBrowser);
-  await promiseOnboardingOverlayClosed(tab.linkedBrowser);
-  await highlightClosePromise;
-  is(highlight.state, "closed", "Should close UITour highlight after closing the overlay by clicking the overlay");
-
   // Trigger UITour showHighlight again
   highlightOpenPromise = promisePopupChange(highlight, "open");
   await triggerUITourHighlight("library", tab);