fix tests

spec/services/fees/one_off_service_spec.rb

@@ -342,9 +342,5 @@
         end
       end
     end
-
-    it_behaves_like "applies invoice_custom_sections" do
-      let(:service_call) { one_off_service.call }
-    end
   end
 end

spec/services/invoices/add_on_service_spec.rb

@@ -108,7 +108,7 @@
     end
 
     it_behaves_like "applies invoice_custom_sections" do
-      let(:service_call) { invoice_service.call }
+      let(:service_call) { invoice_service.create }
     end
 
     context 'with customer timezone' do

spec/services/invoices/create_one_off_service_spec.rb

@@ -68,7 +68,7 @@
     end
 
     it_behaves_like "applies invoice_custom_sections" do
-      let(:service_call) { invoice_service.call }
+      let(:service_call) { create_service.call }
     end
 
     it 'calls SegmentTrackJob' do

spec/services/invoices/refresh_draft_and_finalize_service_spec.rb

@@ -80,7 +80,7 @@
     end
 
     it_behaves_like "applies invoice_custom_sections" do
-      let(:service_call) { invoice_service.call }
+      let(:service_call) { finalize_service.call }
     end
 
     it 'enqueues a SendWebhookJob' do