diff --git a/frontend/src/app/components/application-top-bar/application-top-bar.component.spec.ts b/frontend/src/app/components/application-top-bar/application-top-bar.component.spec.ts
index cf1d9b8c0b..3bde42ff74 100644
--- a/frontend/src/app/components/application-top-bar/application-top-bar.component.spec.ts
+++ b/frontend/src/app/components/application-top-bar/application-top-bar.component.spec.ts
@@ -1,20 +1,20 @@
-import {ComponentFixture, TestBed} from '@angular/core/testing';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
 
-import {ApplicationTopBarComponent} from './application-top-bar.component';
-import {CUSTOM_ELEMENTS_SCHEMA} from '@angular/core';
-import {DateTimeProvider, OAuthLogger, OAuthService, UrlHelperService} from 'angular-oauth2-oidc';
-import {HttpClient, HttpHandler} from '@angular/common/http';
-import {MatMenuModule} from '@angular/material/menu';
-import {HarnessLoader} from '@angular/cdk/testing';
-import {TestbedHarnessEnvironment} from '@angular/cdk/testing/testbed';
-import {MatMenuHarness} from '@angular/material/menu/testing';
-import {NoopAnimationsModule} from '@angular/platform-browser/animations';
-import {MatDialog, MatDialogModule} from '@angular/material/dialog';
-import {NavigationEnd, Router} from '@angular/router';
-import {of} from 'rxjs';
-import {testUser} from '../../shared/testData';
-import {UserService} from '../../services/user.service';
-import {ConfigService} from '../../config.service';
+import { ApplicationTopBarComponent } from './application-top-bar.component';
+import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
+import { DateTimeProvider, OAuthLogger, OAuthService, UrlHelperService } from 'angular-oauth2-oidc';
+import { HttpClient, HttpHandler } from '@angular/common/http';
+import { MatMenuModule } from '@angular/material/menu';
+import { HarnessLoader } from '@angular/cdk/testing';
+import { TestbedHarnessEnvironment } from '@angular/cdk/testing/testbed';
+import { MatMenuHarness } from '@angular/material/menu/testing';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { MatDialog, MatDialogModule } from '@angular/material/dialog';
+import { NavigationEnd, Router } from '@angular/router';
+import { of } from 'rxjs';
+import { testUser } from '../../shared/testData';
+import { UserService } from '../../services/user.service';
+import { ConfigService } from '../../config.service';
 
 const oAuthMock = {
   getIdentityClaims: jest.fn(),
diff --git a/frontend/src/app/team-management/invite-user-dialog/invite-user-dialog.component.spec.ts b/frontend/src/app/team-management/invite-user-dialog/invite-user-dialog.component.spec.ts
index f86498c500..52e589add3 100644
--- a/frontend/src/app/team-management/invite-user-dialog/invite-user-dialog.component.spec.ts
+++ b/frontend/src/app/team-management/invite-user-dialog/invite-user-dialog.component.spec.ts
@@ -1,18 +1,18 @@
-import {ComponentFixture, fakeAsync, TestBed, tick} from '@angular/core/testing';
-
-import {InviteUserDialogComponent} from './invite-user-dialog.component';
-import {MatDialogModule} from '@angular/material/dialog';
-import {FormsModule, ReactiveFormsModule} from '@angular/forms';
-import {NewUserComponent} from '../new-user/new-user.component';
-import {PuzzleIconComponent} from '../../shared/custom/puzzle-icon/puzzle-icon.component';
-import {PuzzleIconButtonComponent} from '../../shared/custom/puzzle-icon-button/puzzle-icon-button.component';
-import {UserService} from '../../services/user.service';
-import {testUser} from '../../shared/testData';
-import {DialogRef} from '@angular/cdk/dialog';
-import {of} from 'rxjs';
-import {UniqueEmailValidator} from "../new-user/unique-mail.validator";
-import {MatFormFieldModule} from "@angular/material/form-field";
-import {NO_ERRORS_SCHEMA} from "@angular/core";
+import { ComponentFixture, fakeAsync, TestBed, tick } from '@angular/core/testing';
+
+import { InviteUserDialogComponent } from './invite-user-dialog.component';
+import { MatDialogModule } from '@angular/material/dialog';
+import { FormsModule, ReactiveFormsModule } from '@angular/forms';
+import { NewUserComponent } from '../new-user/new-user.component';
+import { PuzzleIconComponent } from '../../shared/custom/puzzle-icon/puzzle-icon.component';
+import { PuzzleIconButtonComponent } from '../../shared/custom/puzzle-icon-button/puzzle-icon-button.component';
+import { UserService } from '../../services/user.service';
+import { testUser } from '../../shared/testData';
+import { DialogRef } from '@angular/cdk/dialog';
+import { of } from 'rxjs';
+import { UniqueEmailValidator } from '../new-user/unique-mail.validator';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { NO_ERRORS_SCHEMA } from '@angular/core';
 
 describe('InviteUserDialogComponent', () => {
   let component: InviteUserDialogComponent;
@@ -24,7 +24,7 @@ describe('InviteUserDialogComponent', () => {
 
   const userServiceMock = {
     createUsers: jest.fn(),
-    getUsers: jest.fn()
+    getUsers: jest.fn(),
   };
 
   const dialogRefMock = {
@@ -33,7 +33,7 @@ describe('InviteUserDialogComponent', () => {
 
   const uniqueMailValidatorMock = {
     setAddedMails: jest.fn(),
-    validate: () => null
+    validate: () => null,
   };
 
   beforeEach(async () => {
@@ -46,8 +46,7 @@ describe('InviteUserDialogComponent', () => {
         { provide: UniqueEmailValidator, useValue: uniqueMailValidatorMock },
       ],
       schemas: [NO_ERRORS_SCHEMA],
-    })
-  .compileComponents();
+    }).compileComponents();
 
     fixture = TestBed.createComponent(InviteUserDialogComponent);
     component = fixture.componentInstance;
diff --git a/frontend/src/app/team-management/new-user/new-user.component.spec.ts b/frontend/src/app/team-management/new-user/new-user.component.spec.ts
index 249911e8e2..3934b994ad 100644
--- a/frontend/src/app/team-management/new-user/new-user.component.spec.ts
+++ b/frontend/src/app/team-management/new-user/new-user.component.spec.ts
@@ -1,12 +1,12 @@
-import {ComponentFixture, TestBed} from '@angular/core/testing';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
 
-import {NewUserComponent} from './new-user.component';
-import {FormControl, FormGroup, FormsModule, NgForm, ReactiveFormsModule} from '@angular/forms';
-import {SharedModule} from '../../shared/shared.module';
-import {PuzzleIconButtonComponent} from '../../shared/custom/puzzle-icon-button/puzzle-icon-button.component';
-import {PuzzleIconComponent} from '../../shared/custom/puzzle-icon/puzzle-icon.component';
-import {CommonModule} from '@angular/common';
-import {NewUserForm} from "../../shared/types/model/NewUserForm";
+import { NewUserComponent } from './new-user.component';
+import { FormControl, FormGroup, FormsModule, NgForm, ReactiveFormsModule } from '@angular/forms';
+import { SharedModule } from '../../shared/shared.module';
+import { PuzzleIconButtonComponent } from '../../shared/custom/puzzle-icon-button/puzzle-icon-button.component';
+import { PuzzleIconComponent } from '../../shared/custom/puzzle-icon/puzzle-icon.component';
+import { CommonModule } from '@angular/common';
+import { NewUserForm } from '../../shared/types/model/NewUserForm';
 
 describe('NewUserComponent', () => {
   let component: NewUserComponent;
diff --git a/frontend/src/app/team-management/new-user/unique-mail.directive.spec.ts b/frontend/src/app/team-management/new-user/unique-mail.directive.spec.ts
index cb85d69a82..7e8a654721 100644
--- a/frontend/src/app/team-management/new-user/unique-mail.directive.spec.ts
+++ b/frontend/src/app/team-management/new-user/unique-mail.directive.spec.ts
@@ -1,8 +1,8 @@
-import {UniqueEmailValidator} from './unique-mail.validator';
-import {users} from '../../shared/testData';
-import {TestBed} from '@angular/core/testing';
-import {of} from 'rxjs';
-import {AbstractControl} from '@angular/forms';
+import { UniqueEmailValidator } from './unique-mail.validator';
+import { users } from '../../shared/testData';
+import { TestBed } from '@angular/core/testing';
+import { of } from 'rxjs';
+import { AbstractControl } from '@angular/forms';
 
 describe('UniqueMailDirective', () => {
   const userServiceMock = {
@@ -28,7 +28,7 @@ describe('UniqueMailDirective', () => {
       expect(directive.validate(control)).toStrictEqual({ notUniqueMail: { value: users[0].email } });
 
       const notExistingMail = 'notexistinguser@test.com';
-      control = { value:  notExistingMail} as AbstractControl;
+      control = { value: notExistingMail } as AbstractControl;
       expect(directive.validate(control)).toStrictEqual(null);
 
       directive.setAddedMails([notExistingMail]);