diff --git a/EPAServeur.Tests/Services/FormationServiceTests.cs b/EPAServeur.Tests/Services/FormationServiceTests.cs
index cefa3b6..e2954c5 100644
--- a/EPAServeur.Tests/Services/FormationServiceTests.cs
+++ b/EPAServeur.Tests/Services/FormationServiceTests.cs
@@ -261,6 +261,36 @@ namespace EPAServeur.Tests.Services
 
         }
 
+        [TestCase(true, "participants")]
+        public async Task GetFormationsAsync_PasseEnParamAscEtTri_RetourneDesFormationsOrdonnanceeParNombreDeParticipantsCroissant(bool? asc, string tri)
+        {
+            // Arrange
+            FormationService formationService = new FormationService(epContext, collaborateurService);
+
+            // Act
+            IEnumerable<FormationDetailsDTO> formationDTOs = await formationService.GetFormationsAsync(null, null, asc, null, null, null, tri, null, null);
+
+            // Assert
+            Assert.AreEqual(0, formationDTOs.First().NbParticipations);
+            Assert.AreEqual(3, formationDTOs.Last().NbParticipations);
+
+        }
+
+        [TestCase(false, "participants")]
+        public async Task GetFormationsAsync_PasseEnParamAscEtTri_RetourneDesFormationsOrdonnanceeParNombreDeParticipantsDecroissant(bool? asc, string tri)
+        {
+            // Arrange
+            FormationService formationService = new FormationService(epContext, collaborateurService);
+
+            // Act
+            IEnumerable<FormationDetailsDTO> formationDTOs = await formationService.GetFormationsAsync(null, null, asc, null, null, null, tri, null, null);
+
+            // Assert
+            Assert.AreEqual(3, formationDTOs.First().NbParticipations);
+            Assert.AreEqual(0, formationDTOs.Last().NbParticipations);
+
+        }
+
         [TestCase(true, "origine")]
         public async Task GetFormationsAsync_PasseEnParamAscEtTri_RetourneDesFormationsOrdonnanceeParOrigineCroissante(bool? asc, string tri)
         {