More controller specs (#2561)

* Add render_views in more places

* Delegate methods from account to user with allow nil true, so that admin accounts show view renders when missing a user

* Use actual account instances in authorize follow controller spec

spec/controllers/admin/accounts_controller_spec.rb

@@ -1,6 +1,8 @@
 require 'rails_helper'
 
 RSpec.describe Admin::AccountsController, type: :controller do
+  render_views
+
   before do
     sign_in Fabricate(:user, admin: true), scope: :user
   end

spec/controllers/admin/domain_blocks_controller_spec.rb

@@ -1,6 +1,8 @@
 require 'rails_helper'
 
 RSpec.describe Admin::DomainBlocksController, type: :controller do
+  render_views
+
   before do
     sign_in Fabricate(:user, admin: true), scope: :user
   end

spec/controllers/admin/instances_controller_spec.rb

@@ -1,6 +1,8 @@
 require 'rails_helper'
 
 RSpec.describe Admin::InstancesController, type: :controller do
+  render_views
+
   before do
     sign_in Fabricate(:user, admin: true), scope: :user
   end

spec/controllers/admin/pubsubhubbub_controller_spec.rb

@@ -2,6 +2,8 @@
 require 'rails_helper'
 
 RSpec.describe Admin::PubsubhubbubController, type: :controller do
+  render_views
+
   describe 'GET #index' do
     before do
       sign_in Fabricate(:user, admin: true), scope: :user

spec/controllers/admin/reported_statuses_controller_spec.rb

@@ -1,6 +1,8 @@
 require 'rails_helper'
 
 describe Admin::ReportedStatusesController do
+  render_views
+
   let(:user) { Fabricate(:user, admin: true) }
   before do
     sign_in user, scope: :user

spec/controllers/admin/resets_controller_spec.rb

@@ -1,6 +1,8 @@
 require 'rails_helper'
 
 describe Admin::ResetsController do
+  render_views
+
   let(:account) { Fabricate(:account, user: Fabricate(:user)) }
   before do
     sign_in Fabricate(:user, admin: true), scope: :user

spec/controllers/admin/silences_controller_spec.rb

@@ -1,6 +1,8 @@
 require 'rails_helper'
 
 describe Admin::SilencesController do
+  render_views
+
   let(:account) { Fabricate(:account) }
   before do
     sign_in Fabricate(:user, admin: true), scope: :user

spec/controllers/admin/suspensions_controller_spec.rb

@@ -1,6 +1,8 @@
 require 'rails_helper'
 
 describe Admin::SuspensionsController do
+  render_views
+
   let(:account) { Fabricate(:account) }
   before do
     sign_in Fabricate(:user, admin: true), scope: :user