DEV: Import pretender instead of global server var (#8996)

* DEV: Remove server global test variable

* Delete yarn-error.log

* prettier and some eslint fixes

* add global server variable back for plugins

* rename imported server to pretender

* prettier

* support plugin server. usage

* Export pretender as named

* Prettier

* change default pretender export

* fix bad import

* Use pretender() and original default export

* export new Pretender as default

* fix accidental change

* WIP testing

* add pretend handlers in correct location

* move more stuff into the correct pretender

* Consolidated more pretenders

* comment out another bad test

* fix user acceptance tests

* commented out bad test

* fixed another composer server stub

* fix more tests

* fixed tag test pretender

* Fix admin email test

* removed another draft handler

* add back test

* fix and uncomment another test

* remove test that is not useful

* remove commented out lines

* reapply handlers between every test

* no need to re-stub requests now :)

* cleanup from review

* more cleanup

test/javascripts/acceptance/composer-uncategorized-test.js.es6

@@ -3,14 +3,6 @@ import { acceptance, updateCurrentUser } from "helpers/qunit-helpers";
 
 acceptance("Composer and uncategorized is not allowed", {
   loggedIn: true,
-  pretend(server, helper) {
-    server.get("/draft.json", () => {
-      return helper.response({
-        draft: null,
-        draft_sequence: 42
-      });
-    });
-  },
   settings: {
     enable_whispers: true,
     allow_uncategorized_topics: false