Update event.test.ts

Signed-off-by: Yachika Sharma <shakuntalaramphalsharma@gmail.com>

Author: yachikadev

apps/backend/src/__tests__/event.test.ts

@@ -107,7 +107,7 @@ async function createEvent(
   app: FastifyInstance,
   body: Record<string, unknown>,
   authenticated = true,
-) {
+): Promise<LightMyRequestResponse> {
   return app.inject({
     method: 'POST',
     url: '/api/events',
@@ -701,4 +701,4 @@ describe('Events API', () => {
       expect(slug).not.toMatch(/--/);
     });
   });
-});
+});