Use Sidekiq fake! instead of inline! in specs (#25369)

spec/workers/backup_worker_spec.rb

@@ -14,7 +14,7 @@ describe BackupWorker do
     let(:backup) { Fabricate(:backup) }
     let!(:other_backup) { Fabricate(:backup, user: backup.user) }
 
-    it 'sends the backup to the service and removes other backups' do
+    it 'sends the backup to the service and removes other backups', :sidekiq_inline do
       expect do
         worker.perform(backup.id)
       end.to change(UserMailer.deliveries, :size).by(1)

spec/workers/move_worker_spec.rb

@@ -104,7 +104,7 @@ describe MoveWorker do
   end
 
   shared_examples 'lists handling' do
-    it 'puts the new account on the list and makes valid lists', sidekiq: :inline do
+    it 'puts the new account on the list and makes valid lists', :sidekiq_inline do
       subject.perform(source_account.id, target_account.id)
 
       expect(list.accounts.include?(target_account)).to be true
@@ -159,7 +159,7 @@ describe MoveWorker do
 
   describe '#perform' do
     context 'when both accounts are distant' do
-      it 'calls UnfollowFollowWorker', :sidekiq_fake do
+      it 'calls UnfollowFollowWorker' do
         subject.perform(source_account.id, target_account.id)
         expect(UnfollowFollowWorker).to have_enqueued_sidekiq_job(local_follower.id, source_account.id, target_account.id, false)
       end
@@ -170,7 +170,7 @@ describe MoveWorker do
     context 'when target account is local' do
       let(:target_account) { Fabricate(:account) }
 
-      it 'calls UnfollowFollowWorker', :sidekiq_fake do
+      it 'calls UnfollowFollowWorker' do
         subject.perform(source_account.id, target_account.id)
         expect(UnfollowFollowWorker).to have_enqueued_sidekiq_job(local_follower.id, source_account.id, target_account.id, true)
       end

spec/workers/poll_expiration_notify_worker_spec.rb

@@ -10,7 +10,7 @@ describe PollExpirationNotifyWorker do
   let(:remote?) { false }
   let(:poll_vote) { Fabricate(:poll_vote, poll: poll) }
 
-  describe '#perform', :sidekiq_fake do
+  describe '#perform' do
     it 'runs without error for missing record' do
       expect { worker.perform(nil) }.to_not raise_error
     end