OZG-7128 provider

alfa-client/libs/admin/postfach/src/lib/postfach-container/postfach-container.component.spec.ts

-import { StateResource, createStateResource } from '@alfa-client/tech-shared';
+import { createStateResource, StateResource } from '@alfa-client/tech-shared';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { ReactiveFormsModule } from '@angular/forms';
 import { singleCold, singleHot } from 'libs/tech-shared/test/marbles';
@@ -19,13 +19,18 @@ describe('PostfachContainerComponent', () => {
   beforeEach(async () => {
     await TestBed.configureTestingModule({
       imports: [PostfachContainerComponent, ReactiveFormsModule, MockComponent(PostfachFormComponent)],
+    })
+      .overrideComponent(PostfachContainerComponent, {
+        set: {
           providers: [
             {
               provide: PostfachService,
               useValue: postfachService,
             },
           ],
-    }).compileComponents();
+        },
+      })
+      .compileComponents();
   });
 
   beforeEach(() => {

alfa-client/libs/admin/postfach/src/lib/postfach-container/postfach-container.component.ts

 import { StateResource } from '@alfa-client/tech-shared';
-import { AsyncPipe } from '@angular/common';
+import { CommonModule } from '@angular/common';
 import { Component, OnInit } from '@angular/core';
 import { Observable } from 'rxjs';
 import { PostfachResource } from '../postfach.model';
@@ -10,7 +10,8 @@ import { PostfachFormComponent } from './postfach-form/postfach-form.component';
   selector: 'admin-postfach-container',
   templateUrl: './postfach-container.component.html',
   standalone: true,
-  imports: [PostfachFormComponent, AsyncPipe],
+  imports: [CommonModule, PostfachFormComponent],
+  providers: [PostfachService],
 })
 export class PostfachContainerComponent implements OnInit {
   postfachStateResource$: Observable<StateResource<PostfachResource>>;

alfa-client/libs/admin/postfach/src/lib/postfach.module.ts

@@ -2,11 +2,10 @@ import { SettingsService } from '@admin-client/admin-settings';
 import { ResourceRepository } from '@alfa-client/tech-shared';
 import { NgModule } from '@angular/core';
 import { createPostfachResourceService, PostfachResourceService } from './postfach-resource.service';
-import { PostfachService } from './postfach.service';
 
 @NgModule({
   providers: [
-    PostfachService,
+    SettingsService,
     {
       provide: PostfachResourceService,
       useFactory: createPostfachResourceService,