diff --git a/tienda_ilusion/don_confiao/tests.py b/tienda_ilusion/don_confiao/tests.py
index 0bd6993..4ed7ceb 100644
--- a/tienda_ilusion/don_confiao/tests.py
+++ b/tienda_ilusion/don_confiao/tests.py
@@ -30,3 +30,34 @@ class ConfiaoTest(TestCase):
         sale.save()
         line.save()
         self.assertEqual(SaleLine.objects.all()[0].quantity, 2)
+
+    def test_create_sale_with_lines(self):
+        sale = Sale()
+        sale.customer = "Alejandro"
+        sale.date = "2024-06-22"
+        sale.phone = '666666666'
+        sale.description = "Description"
+
+        line1 = SaleLine()
+        line1.sale = sale
+        line1.product = 'papaya'
+        line1.quantity = 2
+        line1.unit_price = 2500
+        line1.amount = 5000
+
+        line2 = SaleLine()
+        line2.sale = sale
+        line2.product = 'papaya'
+        line2.quantity = 2
+        line2.unit_price = 2500
+        line2.amount = 5000
+
+        sale.save()
+        line1.save()
+        line2.save()
+
+        self.assertEqual(len(SaleLine.objects.all()), 2)
+        self.assertEqual(
+            Sale.objects.all()[0].saleline_set.all()[0].quantity,
+            2
+        )