diff --git a/npm/ng-packs/packages/theme-shared/src/lib/tests/confirmation.service.spec.ts b/npm/ng-packs/packages/theme-shared/src/lib/tests/confirmation.service.spec.ts
index 3cbdcbd7de..88813c44de 100644
--- a/npm/ng-packs/packages/theme-shared/src/lib/tests/confirmation.service.spec.ts
+++ b/npm/ng-packs/packages/theme-shared/src/lib/tests/confirmation.service.spec.ts
@@ -1,4 +1,4 @@
-import { CoreModule } from '@abp/ng.core';
+import { CoreTestingModule } from '@abp/ng.core/testing';
 import { NgModule } from '@angular/core';
 import { fakeAsync, tick } from '@angular/core/testing';
 import { createServiceFactory, SpectatorService } from '@ngneat/spectator/jest';
@@ -13,7 +13,7 @@ import { ConfirmationService } from '../services';
   exports: [ConfirmationComponent],
   entryComponents: [ConfirmationComponent],
   declarations: [ConfirmationComponent],
-  imports: [CoreModule.forTest()],
+  imports: [CoreTestingModule.forTest()],
 })
 export class MockModule {}
 
@@ -22,7 +22,7 @@ describe('ConfirmationService', () => {
   let service: ConfirmationService;
   const createService = createServiceFactory({
     service: ConfirmationService,
-    imports: [NgxsModule.forRoot(), CoreModule.forTest(), MockModule],
+    imports: [NgxsModule.forRoot(), CoreTestingModule.forTest(), MockModule],
   });
 
   beforeEach(() => {
diff --git a/npm/ng-packs/packages/theme-shared/src/lib/tests/error.handler.spec.ts b/npm/ng-packs/packages/theme-shared/src/lib/tests/error.handler.spec.ts
index e4fb8e3d37..939f87e5ee 100644
--- a/npm/ng-packs/packages/theme-shared/src/lib/tests/error.handler.spec.ts
+++ b/npm/ng-packs/packages/theme-shared/src/lib/tests/error.handler.spec.ts
@@ -1,14 +1,14 @@
-import { CoreModule, RestOccurError } from '@abp/ng.core';
+import { RestOccurError } from '@abp/ng.core';
+import { CoreTestingModule } from '@abp/ng.core/testing';
 import { APP_BASE_HREF } from '@angular/common';
 import { HttpErrorResponse, HttpHeaders } from '@angular/common/http';
 import { Component, NgModule } from '@angular/core';
-import { NavigationError, ResolveEnd, RouterModule } from '@angular/router';
 import { createServiceFactory, SpectatorService } from '@ngneat/spectator/jest';
-import { Actions, NgxsModule, ofActionDispatched, Store } from '@ngxs/store';
+import { NgxsModule, Store } from '@ngxs/store';
 import { OAuthService } from 'angular-oauth2-oidc';
 import { of } from 'rxjs';
 import { HttpErrorWrapperComponent } from '../components/http-error-wrapper/http-error-wrapper.component';
-import { DEFAULT_ERROR_MESSAGES, ErrorHandler, DEFAULT_ERROR_LOCALIZATIONS } from '../handlers';
+import { DEFAULT_ERROR_LOCALIZATIONS, DEFAULT_ERROR_MESSAGES, ErrorHandler } from '../handlers';
 import { ConfirmationService } from '../services';
 import { httpErrorConfigFactory } from '../tokens/http-error.token';
 
@@ -16,7 +16,7 @@ import { httpErrorConfigFactory } from '../tokens/http-error.token';
   exports: [HttpErrorWrapperComponent],
   declarations: [HttpErrorWrapperComponent],
   entryComponents: [HttpErrorWrapperComponent],
-  imports: [CoreModule],
+  imports: [CoreTestingModule],
 })
 class MockModule {}
 
@@ -31,12 +31,7 @@ const CONFIRMATION_BUTTONS = {
 describe('ErrorHandler', () => {
   const createService = createServiceFactory({
     service: ErrorHandler,
-    imports: [
-      RouterModule.forRoot([], { relativeLinkResolution: 'legacy' }),
-      NgxsModule.forRoot([]),
-      CoreModule,
-      MockModule,
-    ],
+    imports: [NgxsModule.forRoot([]), CoreTestingModule.forTest(), MockModule],
     mocks: [OAuthService],
     providers: [
       { provide: APP_BASE_HREF, useValue: '/' },
diff --git a/npm/ng-packs/packages/theme-shared/src/lib/tests/toaster.service.spec.ts b/npm/ng-packs/packages/theme-shared/src/lib/tests/toaster.service.spec.ts
index d47e4a7cf5..fa6e0e578c 100644
--- a/npm/ng-packs/packages/theme-shared/src/lib/tests/toaster.service.spec.ts
+++ b/npm/ng-packs/packages/theme-shared/src/lib/tests/toaster.service.spec.ts
@@ -1,4 +1,4 @@
-import { CoreModule } from '@abp/ng.core';
+import { CoreTestingModule } from '@abp/ng.core/testing';
 import { NgModule } from '@angular/core';
 import { createServiceFactory, SpectatorService } from '@ngneat/spectator/jest';
 import { NgxsModule } from '@ngxs/store';
@@ -11,7 +11,7 @@ import { ToasterService } from '../services/toaster.service';
   exports: [ToastContainerComponent],
   entryComponents: [ToastContainerComponent],
   declarations: [ToastContainerComponent, ToastComponent],
-  imports: [CoreModule.forTest()],
+  imports: [CoreTestingModule.forTest()],
 })
 export class MockModule {}
 const toastClassPrefix = 'abp-toast';
@@ -21,7 +21,7 @@ describe('ToasterService', () => {
   let service: ToasterService;
   const createService = createServiceFactory({
     service: ToasterService,
-    imports: [NgxsModule.forRoot(), CoreModule.forTest(), MockModule],
+    imports: [NgxsModule.forRoot(), CoreTestingModule.forTest(), MockModule],
   });
 
   beforeEach(() => {