diff --git a/packages/graphql/api/orders.test.js b/packages/graphql/api/orders.test.js
index 384d6c5..caa74d6 100644
--- a/packages/graphql/api/orders.test.js
+++ b/packages/graphql/api/orders.test.js
@@ -274,6 +274,21 @@ describe('OrdersService', () => {
       await expect(result).rejects.toThrow(ERRORS.MISSING_START_TIME);
     });
 
+    it('should throw error when datetime_end is missing', async () => {
+      const variablesWithoutEnd = {
+        input: {
+          client: 'customer-123',
+          datetime_start: now.toISOString(),
+          services: ['service-123'],
+          slot: 'slot-123',
+        },
+      };
+
+      const result = ordersService.createOrder(variablesWithoutEnd);
+
+      await expect(result).rejects.toThrow(ERRORS.MISSING_END_TIME);
+    });
+
     it('should throw error when client is missing', async () => {
       const variablesWithoutClient = {
         input: {