diff --git a/npm/ng-packs/packages/core/src/lib/tests/for.directive.spec.ts b/npm/ng-packs/packages/core/src/lib/tests/for.directive.spec.ts
index 156d6d20c9..c25ebe9655 100644
--- a/npm/ng-packs/packages/core/src/lib/tests/for.directive.spec.ts
+++ b/npm/ng-packs/packages/core/src/lib/tests/for.directive.spec.ts
@@ -1,11 +1,7 @@
-import { TemplateRef, ɵSIGNAL as SIGNAL } from '@angular/core';
+import { TemplateRef } from '@angular/core';
 import { SpectatorDirective, createDirectiveFactory } from '@ngneat/spectator/vitest';
 import { ForDirective } from '../directives/for.directive';
-
-const setInputSignal = <T>(inputSignal: () => T, value: T) => {
-  const node = inputSignal[SIGNAL];
-  node.applyValueToInputSignal(node, value);
-};
+import { setInputSignal } from './utils';
 
 describe('ForDirective', () => {
   let spectator: SpectatorDirective<ForDirective>;
diff --git a/npm/ng-packs/packages/core/src/lib/tests/permission.directive.spec.ts b/npm/ng-packs/packages/core/src/lib/tests/permission.directive.spec.ts
index fd79d365eb..152c2a7b32 100644
--- a/npm/ng-packs/packages/core/src/lib/tests/permission.directive.spec.ts
+++ b/npm/ng-packs/packages/core/src/lib/tests/permission.directive.spec.ts
@@ -1,14 +1,10 @@
-import { ChangeDetectorRef, ɵSIGNAL as SIGNAL  } from '@angular/core';
+import { ChangeDetectorRef } from '@angular/core';
 import { createDirectiveFactory, SpectatorDirective } from '@ngneat/spectator/vitest';
 import { Subject } from 'rxjs';
 import { PermissionDirective } from '../directives/permission.directive';
 import { PermissionService } from '../services/permission.service';
 import { QUEUE_MANAGER } from '../tokens/queue.token';
-
-const setInputSignal = <T>(inputSignal: () => T, value: T) => {
-  const node = inputSignal[SIGNAL];
-  node.applyValueToInputSignal(node, value);
-};
+import { setInputSignal } from './utils';
 
 describe('PermissionDirective', () => {
   let spectator: SpectatorDirective<PermissionDirective>;
diff --git a/npm/ng-packs/packages/core/src/lib/tests/replaceable-template.directive.spec.ts b/npm/ng-packs/packages/core/src/lib/tests/replaceable-template.directive.spec.ts
index 819ab01936..d31c20ee60 100644
--- a/npm/ng-packs/packages/core/src/lib/tests/replaceable-template.directive.spec.ts
+++ b/npm/ng-packs/packages/core/src/lib/tests/replaceable-template.directive.spec.ts
@@ -5,12 +5,7 @@ import { BehaviorSubject } from 'rxjs';
 import { ReplaceableTemplateDirective } from '../directives/replaceable-template.directive';
 import { ReplaceableComponents } from '../models/replaceable-components';
 import { ReplaceableComponentsService } from '../services/replaceable-components.service';
-
-const setInputSignal = <T>(inputSignal: () => T, value: T) => {
-  const node = inputSignal[SIGNAL];
-  node.applyValueToInputSignal(node, value);
-};
-
+import { setInputSignal } from './utils';
 @Component({
   selector: 'abp-default-component',
   template: ' <p>default</p> ',
diff --git a/npm/ng-packs/packages/core/src/lib/tests/show-password-directive.spec.ts b/npm/ng-packs/packages/core/src/lib/tests/show-password-directive.spec.ts
index 641dd5a911..3ae33bbe7d 100644
--- a/npm/ng-packs/packages/core/src/lib/tests/show-password-directive.spec.ts
+++ b/npm/ng-packs/packages/core/src/lib/tests/show-password-directive.spec.ts
@@ -1,8 +1,8 @@
-import { Component, DebugElement, ɵSIGNAL as SIGNAL } from '@angular/core';
+import { Component, DebugElement } from '@angular/core';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 import { ShowPasswordDirective } from '../directives';
-
+import { setInputSignal } from './utils';
 @Component({
   template: ` <input abpShowPassword />
     <input abpShowPassword />
@@ -12,11 +12,6 @@ import { ShowPasswordDirective } from '../directives';
 })
 class TestComponent {}
 
-const setInputSignal = <T>(inputSignal: () => T, value: T) => {
-  const node = inputSignal[SIGNAL];
-  node.applyValueToInputSignal(node, value);
-};
-
 describe('ShowPasswordDirective', () => {
   let fixture: ComponentFixture<TestComponent>;
   let des: DebugElement[];
diff --git a/npm/ng-packs/packages/core/src/lib/tests/utils/index.ts b/npm/ng-packs/packages/core/src/lib/tests/utils/index.ts
new file mode 100644
index 0000000000..8f0a38145e
--- /dev/null
+++ b/npm/ng-packs/packages/core/src/lib/tests/utils/index.ts
@@ -0,0 +1,4 @@
+export * from './input-signal';
+export * from './common.utils';
+export * from './mock-compare-function';
+export * from './permission-service.spec.utils';
\ No newline at end of file
diff --git a/npm/ng-packs/packages/core/src/lib/tests/utils/input-signal.ts b/npm/ng-packs/packages/core/src/lib/tests/utils/input-signal.ts
new file mode 100644
index 0000000000..a985285d7c
--- /dev/null
+++ b/npm/ng-packs/packages/core/src/lib/tests/utils/input-signal.ts
@@ -0,0 +1,6 @@
+import { ɵSIGNAL as SIGNAL } from '@angular/core';
+
+export const setInputSignal = <T>(inputSignal: () => T, value: T) => {
+  const node = inputSignal[SIGNAL];
+  node.applyValueToInputSignal(node, value);
+};
\ No newline at end of file
diff --git a/npm/ng-packs/packages/theme-shared/src/lib/tests/button.component.spec.ts b/npm/ng-packs/packages/theme-shared/src/lib/tests/button.component.spec.ts
index d0dbdb996d..dacb5d08c4 100644
--- a/npm/ng-packs/packages/theme-shared/src/lib/tests/button.component.spec.ts
+++ b/npm/ng-packs/packages/theme-shared/src/lib/tests/button.component.spec.ts
@@ -1,11 +1,7 @@
-import { ɵSIGNAL as SIGNAL } from '@angular/core';
+
 import { createHostFactory, SpectatorHost } from '@ngneat/spectator/vitest';
 import { ButtonComponent } from '../components';
-
-const setInputSignal = <T>(inputSignal: () => T, value: T) => {
-  const node = inputSignal[SIGNAL];
-  node.applyValueToInputSignal(node, value);
-};
+import { setInputSignal } from './utils';
 
 describe('ButtonComponent', () => {
   let spectator: SpectatorHost<ButtonComponent>;