diff --git a/frontend/src/lib/__tests__/auth.test.ts b/frontend/src/lib/__tests__/auth.test.ts
index dc1bf72..297329f 100644
--- a/frontend/src/lib/__tests__/auth.test.ts
+++ b/frontend/src/lib/__tests__/auth.test.ts
@@ -194,17 +194,17 @@ describe('Auth Module', () => {
 
     describe('isAdminUser', () => {
         it('should return true for admin role', () => {
-            const adminUser = { id: '1', name: 'Admin', email: 'a@a.com', role: 'admin', roles: ['admin'] };
+            const adminUser = { id: '1', name: 'Admin', email: 'a@a.com', role: 'admin' as const, roles: ['admin'] };
             expect(authModule.isAdminUser(adminUser)).toBe(true);
         });
 
         it('should return true for SUPERADMIN in roles array', () => {
-            const superAdmin = { id: '1', name: 'Super', email: 's@s.com', role: 'candidate', roles: ['SUPERADMIN'] };
+            const superAdmin = { id: '1', name: 'Super', email: 's@s.com', role: 'candidate' as const, roles: ['SUPERADMIN'] };
             expect(authModule.isAdminUser(superAdmin)).toBe(true);
         });
 
         it('should return false for regular candidate', () => {
-            const candidate = { id: '1', name: 'User', email: 'u@u.com', role: 'candidate', roles: ['CANDIDATE'] };
+            const candidate = { id: '1', name: 'User', email: 'u@u.com', role: 'candidate' as const, roles: ['CANDIDATE'] };
             expect(authModule.isAdminUser(candidate)).toBe(false);
         });