Update as per review

app/views/projects/services/_form.html.haml

@@ -13,7 +13,7 @@
       = render 'shared/service_settings', form: form, subject: @service
       .footer-block.row-content-block
         %button.btn.btn-save{ type: 'submit' }
-          %i.fa.fa-spinner.fa-spin.hidden.js-btn-spinner{ "aria-hidden" => true }
+          = icon('spinner spin', class: 'hidden js-btn-spinner')
           %span.js-btn-label
             Save changes
          

spec/javascripts/integrations/integration_settings_form_spec.js

@@ -77,7 +77,6 @@ describe('IntegrationSettingsForm', () => {
       integrationSettingsForm.toggleSubmitBtnLabel(true);
       expect(integrationSettingsForm.$submitBtnLabel.text()).toEqual('Save changes');
-
       integrationSettingsForm.canTestService = true;
       integrationSettingsForm.toggleSubmitBtnLabel(false);