OZG-7405 OZG-7416 fix E2E for new popup buttons

alfa-client/apps/alfa-e2e/src/components/user-assistance/help-menu.component.e2e.ts

@@ -24,6 +24,7 @@
 export class HelpMenuE2EComponent {
   private readonly root: string = 'help-menu';
   private readonly button: string = 'help-menu-button';
+  private readonly dropdownButton: string ='dropdown-button';
   private readonly openDocumentationButton: string = 'open-documentation-button';
 
   public getRoot() {
@@ -34,6 +35,10 @@ export class HelpMenuE2EComponent {
     return this.getRoot().getTestElementWithOid(this.button);
   }
 
+  public getDropdownButton() {
+    return this.getRoot().getTestElement(this.dropdownButton);
+  }
+
   public getOpenDocumentationButton() {
     return this.getRoot().getTestElementWithOid(this.openDocumentationButton);
   }