diff --git a/tests/Unit/User/UseCases/CreateUserTest.php b/tests/Unit/User/UseCases/CreateUserTest.php
index 180046f..bf2c793 100644
--- a/tests/Unit/User/UseCases/CreateUserTest.php
+++ b/tests/Unit/User/UseCases/CreateUserTest.php
@@ -35,4 +35,27 @@ class CreateUserTest extends TestCase
             email: null,
         ));
     }
+
+    public function test_is_admin_defaults_to_false(): void
+    {
+        $userRepo = new FakeUserRepository();
+        $useCase = new CreateUser($userRepo);
+        $useCase->execute(new CreateUserRequest(
+            email: 'test@test.com',
+        ));
+        $user = $userRepo->find(0);
+        $this->assertFalse($user->isAdmin());
+    }
+
+    public function test_is_admin_can_be_set_true(): void
+    {
+        $userRepo = new FakeUserRepository();
+        $useCase = new CreateUser($userRepo);
+        $useCase->execute(new CreateUserRequest(
+            email: 'test@test.com',
+            isAdmin: true,
+        ));
+        $user = $userRepo->find(0);
+        $this->assertTrue($user->isAdmin());
+    }
 }