Bug 1713897 - Re-enable browser_firstPartyIsolation_saveAs.js for macOS Fission, now that bug 1717129 has fixed the underlying problem. r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D119301

browser/components/originattributes/test/browser/browser.ini

@@ -80,8 +80,6 @@ skip-if = debug #Bug 1345346
 [browser_firstPartyIsolation_blobURI.js]
 [browser_firstPartyIsolation_js_uri.js]
 [browser_firstPartyIsolation_saveAs.js]
-skip-if =
-  fission && os == "mac" && !debug  # Bug 1713897 - new Fission platform triage
 [browser_localStorageIsolation.js]
 [browser_blobURLIsolation.js]
 skip-if = (verify && debug && (os == 'win'))