Bug 1596601 - [remote] Skip some more crashing Puppeteer unit tests. r=remote-protocol-reviewers,ato

Depends on D59006

Differential Revision: https://phabricator.services.mozilla.com/D59088

--HG--
extra : moz-landing-system : lando

remote/test/puppeteer/test/launcher.spec.js

@@ -84,7 +84,7 @@ module.exports.addTests = function({testRunner, expect, defaultBrowserOptions, p
         await browser.close();
       });
     });
-    describe('Browser.close', function() {
+    describe_fails_ffox('Browser.close', function() {
       it('should terminate network waiters', async({context, server}) => {
         const browser = await puppeteer.launch(defaultBrowserOptions);
         const remote = await puppeteer.connect({browserWSEndpoint: browser.wsEndpoint()});