fix missing click on back button

alfa-client/apps/alfa-e2e/src/e2e/main-tests/vorgang-detailansicht/vorgang-detailansicht-formdata.cy.ts

@@ -39,6 +39,7 @@ import {
   initVorgaenge,
   objectIds,
 } from '../../../support/vorgang-util';
+import { VorgangSubnavigationE2EComponent } from 'apps/alfa-e2e/src/components/vorgang/vorgang-subnavigation';
 
 registerLocaleData(localeDe, 'de', localeDeExtra);
 
@@ -51,6 +52,7 @@ describe('Vorgang Detailansicht with formData', () => {
     vorgangPage.getFormularDatenContainer();
 
   const vorgangHeader: VorgangDetailHeaderE2EComponent = vorgangPage.getVorgangDetailHeader();
+  const vorgangSubnavigation: VorgangSubnavigationE2EComponent = new VorgangSubnavigationE2EComponent();
 
   const ort: string = 'Ort';
   const sh_strasse: string = 'Strasse';
@@ -140,6 +142,7 @@ describe('Vorgang Detailansicht with formData', () => {
   describe('navigate to vorgang detail (with labels)', () => {
     describe('click on vorgang in list', () => {
       it('should show header', () => {
+        vorgangSubnavigation.back();
         vorgangList.getListItem(vorgangWithLabels.name).getRoot().click();
         waitForSpinnerToDisappear();