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/fixtures/draft.js.es6

@@ -2,5 +2,20 @@ export default {
   "/draft.json": {
     draft: null,
     draft_sequence: 0
+  },
+  "/draft.json?draft_key=topic_280": {
+    draft:
+      '{"reply":"This is a draft of the first post","action":"reply","categoryId":1,"archetypeId":"regular","metaData":null,"composerTime":2863,"typingTime":200}',
+    draft_sequence: 42
+  },
+  "/draft.json?draft_key=topic_281": {
+    draft:
+      '{"reply":"dum de dum da ba.","action":"createTopic","title":"dum da ba dum dum","categoryId":null,"archetypeId":"regular","metaData":null,"composerTime":540879,"typingTime":3400}',
+    draft_sequence: 0
+  },
+  "/draft.json?draft_key=topic_9": {
+    draft:
+      '{"reply":"This is a draft of the first post","action":"reply","categoryId":1,"archetypeId":"regular","metaData":null,"composerTime":2863,"typingTime":200}',
+    draft_sequence: 42
   }
 };