Fix tests from previous commit

refs: 83c47f5

Author: sam-lord

packages/admin-api/test/lib/admin-api.test.js

@@ -80,6 +80,7 @@ describe('GhostAdminAPI general', function () {
             pages: ['read', 'browse', 'add', 'edit', 'delete'],
             tags: ['read', 'browse', 'add', 'edit', 'delete'],
             members: ['read', 'browse', 'add', 'edit', 'delete'],
+            newsletters: ['read', 'browse', 'add', 'edit', 'delete'],
             users: ['read', 'browse', 'add', 'edit', 'delete'],
             webhooks: ['add', 'edit', 'delete'],
             themes: ['upload', 'activate'],
@@ -108,6 +109,7 @@ describe('GhostAdminAPI general', function () {
             pages: ['read', 'browse', 'add', 'edit', 'delete'],
             tags: ['read', 'browse', 'add', 'edit', 'delete'],
             members: ['read', 'browse', 'add', 'edit', 'delete'],
+            newsletters: ['read', 'browse', 'add', 'edit', 'delete'],
             users: ['read', 'browse', 'add', 'edit', 'delete'],
             webhooks: ['add', 'edit', 'delete'],
             themes: ['upload', 'activate'],