diff --git a/alfa-client/libs/vorgang-detail/src/lib/buttons/abschliessen-button/abschliessen-button.component.html b/alfa-client/libs/vorgang-detail/src/lib/buttons/abschliessen-button/abschliessen-button.component.html
index f9670cbee8d9949a13cc84197077346f2c4025a6..758515c53318532c5950c7d61b75fa296137cabc 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/buttons/abschliessen-button/abschliessen-button.component.html
+++ b/alfa-client/libs/vorgang-detail/src/lib/buttons/abschliessen-button/abschliessen-button.component.html
@@ -28,7 +28,7 @@
   @if (showAsIconButton) {
     <ods-button-with-spinner
       [stateResource]="commandStateResource$ | async"
-      data-test-id="abschliessen-icon-button"
+      dataTestId="abschliessen-icon-button"
       tooltip="Vorgang abschließen"
       variant="ghost"
       size="fit"
@@ -39,7 +39,7 @@
   } @else {
     <ods-button-with-spinner
       [stateResource]="commandStateResource$ | async"
-      data-test-id="abschliessen-button"
+      dataTestId="abschliessen-button"
       text="Abschließen"
       variant="outline"
       (clickEmitter)="abschliessen()"
diff --git a/alfa-client/libs/vorgang-detail/src/lib/buttons/abschliessen-button/abschliessen-button.component.spec.ts b/alfa-client/libs/vorgang-detail/src/lib/buttons/abschliessen-button/abschliessen-button.component.spec.ts
index 964474db2566e4fa0a80d8af012a266e86c2af78..a7334741a042a9d6cbe14d06d190160bd7bda7c5 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/buttons/abschliessen-button/abschliessen-button.component.spec.ts
+++ b/alfa-client/libs/vorgang-detail/src/lib/buttons/abschliessen-button/abschliessen-button.component.spec.ts
@@ -29,7 +29,7 @@ import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { ButtonWithSpinnerComponent } from '@ods/component';
 import { CheckIconComponent } from '@ods/system';
 import { createCommandResource } from 'libs/command-shared/test/command';
-import { getDataTestIdOf } from 'libs/tech-shared/test/data-test';
+import { getDataTestIdAttributeOf } from 'libs/tech-shared/test/data-test';
 import { createVorgangWithEingangResource } from 'libs/vorgang-shared/test/vorgang';
 import { MockComponent } from 'ng-mocks';
 import { Observable, of } from 'rxjs';
@@ -39,8 +39,8 @@ describe('AbschliessenButtonComponent', () => {
   let component: AbschliessenButtonComponent;
   let fixture: ComponentFixture<AbschliessenButtonComponent>;
 
-  const abschliessenButton: string = getDataTestIdOf('abschliessen-button');
-  const abschliessenIconButton: string = getDataTestIdOf('abschliessen-icon-button');
+  const abschliessenButton: string = getDataTestIdAttributeOf('abschliessen-button');
+  const abschliessenIconButton: string = getDataTestIdAttributeOf('abschliessen-icon-button');
 
   const vorgangCommandService = {
     ...mock(VorgangCommandService),