mark BrowserCrApplicationAppleScriptTest.InsertWindow as flaky

tbr: spqchan@chromium.org
Bug: 936475
Change-Id: I61678d76dfa7586a92872edca3fcc7131a604501
Reviewed-on: https://chromium-review.googlesource.com/c/1492231Reviewed-by: Ella Ge <eirage@chromium.org>
Commit-Queue: Ella Ge <eirage@chromium.org>
Cr-Commit-Position: refs/heads/master@{#636078}

chrome/browser/ui/cocoa/applescript/browsercrapplication+applescript_test.mm

@@ -44,7 +44,8 @@ IN_PROC_BROWSER_TEST_F(BrowserCrApplicationAppleScriptTest, Creation) {
 }
 
 // Insert a new window.
-IN_PROC_BROWSER_TEST_F(BrowserCrApplicationAppleScriptTest, InsertWindow) {
+IN_PROC_BROWSER_TEST_F(BrowserCrApplicationAppleScriptTest,
+                       FLAKY_InsertWindow) {
   // Emulate what applescript would do when creating a new window.
   // Emulate a script like |set var to make new window with properties
   // {visible:false}|.