Bug 1878172 - Disable browser_getMessages_badPassword.js on Mac debug builds. r=mkmelin

This test just does not want to co-operate. I think it's possibly something to do with the password prompt, but I don't really know.

Differential Revision: https://phabricator.services.mozilla.com/D201680

--HG--
extra : amend_source : 225ee02c920f23dd8c393077f0b7882e8ed5e683

mail/base/test/browser/browser.ini

@@ -30,6 +30,7 @@ tags = contextmenu
 [browser_folderTreeQuirks.js]
 [browser_getMessages.js]
 [browser_getMessages_badPassword.js]
+skip-if = os == 'mac' && debug # Fails almost every time. Unsure why.
 [browser_getMessages_certError.js]
 [browser_getMessages_connectionError.js]
 [browser_getMessages_deferredAccount.js]