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
new file mode 100644
index 0000000000..c1d324620d
--- /dev/null
+++ b/npm/ng-packs/packages/core/src/lib/tests/permission.directive.spec.ts
@@ -0,0 +1,46 @@
+import { PermissionDirective } from '../directives/permission.directive';
+import { SpectatorDirective, createDirectiveFactory, SpyObject } from '@ngneat/spectator/jest';
+import { Store } from '@ngxs/store';
+import { of, Subject } from 'rxjs';
+
+describe('PermissionDirective', () => {
+  let spectator: SpectatorDirective<PermissionDirective>;
+  let directive: PermissionDirective;
+  const grantedPolicy$ = new Subject();
+
+  const createDirective = createDirectiveFactory({
+    directive: PermissionDirective,
+    providers: [{ provide: Store, useValue: { select: () => grantedPolicy$ } }],
+  });
+
+  describe('with condition', () => {
+    beforeEach(() => {
+      spectator = createDirective(`<div id="test-element" [abpPermission]="'test'">Testing Permission Directive</div>`);
+      directive = spectator.directive;
+    });
+
+    it('should be created', () => {
+      expect(directive).toBeTruthy();
+    });
+
+    it('should remove the element from DOM', () => {
+      grantedPolicy$.next(true);
+      expect(spectator.query('#test-element')).toBeTruthy();
+      grantedPolicy$.next(false);
+      expect(spectator.query('#test-element')).toBeFalsy();
+    });
+  });
+
+  describe('without condition', () => {
+    beforeEach(() => {
+      spectator = createDirective('<div id="test-element" abpPermission>Testing Permission Directive</div>');
+      directive = spectator.directive;
+    });
+
+    it('should do nothing when condition is undefined', () => {
+      const spy = jest.spyOn(spectator.get(Store), 'select');
+      grantedPolicy$.next(false);
+      expect(spy.mock.calls).toHaveLength(0);
+    });
+  });
+});
diff --git a/npm/ng-packs/packages/core/src/lib/tests/rest.service.spec.ts b/npm/ng-packs/packages/core/src/lib/tests/rest.service.spec.ts
index 6a06ec2c12..3d5cc11287 100644
--- a/npm/ng-packs/packages/core/src/lib/tests/rest.service.spec.ts
+++ b/npm/ng-packs/packages/core/src/lib/tests/rest.service.spec.ts
@@ -62,7 +62,7 @@ describe('HttpClient testing', () => {
   });
 
   test('should handle the error', () => {
-    jest.spyOn(spectator.httpClient, 'request').mockReturnValue(throwError('An error'));
+    jest.spyOn(spectator.httpClient, 'request').mockReturnValue(throwError('Testing error'));
     const spy = jest.spyOn(store, 'dispatch');
 
     spectator.service
@@ -78,7 +78,7 @@ describe('HttpClient testing', () => {
   });
 
   test('should not handle the error when skipHandleError is true', () => {
-    jest.spyOn(spectator.httpClient, 'request').mockReturnValue(throwError('An error'));
+    jest.spyOn(spectator.httpClient, 'request').mockReturnValue(throwError('Testing error'));
     const spy = jest.spyOn(store, 'dispatch');
 
     spectator.service