Bug 1632098 - P4. Disable test on macos. r=Gijs

Differential Revision: https://phabricator.services.mozilla.com/D73225

browser/extensions/formautofill/test/browser/browser.ini

@@ -6,7 +6,7 @@ support-files =
   ../fixtures/autocomplete_simple_basic.html
 
 [browser_autocomplete_footer.js]
-skip-if = verify
+skip-if = (verify || (!debug && os == "mac")) # perma-fail see Bug 1600059
 [browser_autocomplete_marked_back_forward.js]
 [browser_autocomplete_marked_detached_tab.js]
 skip-if = (verify && (os == 'win' || os == 'mac'))