Worker specs coverage increase (#32541)

spec/workers/account_refresh_worker_spec.rb

@@ -7,9 +7,7 @@ RSpec.describe AccountRefreshWorker do
   let(:service) { instance_double(ResolveAccountService, call: true) }
 
   describe '#perform' do
-    before do
-      allow(ResolveAccountService).to receive(:new).and_return(service)
-    end
+    before { stub_service }
 
     context 'when account does not exist' do
       it 'returns immediately without processing' do
@@ -48,5 +46,11 @@ RSpec.describe AccountRefreshWorker do
         (Account::BACKGROUND_REFRESH_INTERVAL + 3.days).ago
       end
     end
+
+    def stub_service
+      allow(ResolveAccountService)
+        .to receive(:new)
+        .and_return(service)
+    end
   end
 end