fix bug des tests

backend/tests/setup.js

@@ -5,8 +5,27 @@ beforeAll(async () => {
   await prisma.participation.deleteMany();
   await prisma.ticket.deleteMany();
   await prisma.user.deleteMany();
+  
+  // Création de lots
+  await prisma.lot.createMany({
+    data: [
+      { name: "Infuseur", value: 10, percentage: 60, description: "Infuseur à thé" },
+      { name: "Thé Détox", value: 15, percentage: 20, description: "Thé détox bio" },
+      { name: "Thé Signature", value: 20, percentage: 10, description: "Thé signature" },
+      { name: "Coffret 39€", value: 39, percentage: 6, description: "Coffret découverte" },
+      { name: "Coffret 69€", value: 69, percentage: 4, description: "Coffret premium" },
+    ]
+  });
+
+  // Création d'un ticket
+  await prisma.ticket.create({
+    data: {
+      code: "ABC123",
+      lotId: 1
+    }
+  });
 });
 
 afterAll(async () => {
   await prisma.$disconnect();
-});
+});