diff --git a/src/test/java/org/gridsuite/sensitivityanalysis/server/SupervisionControllerTest.java b/src/test/java/org/gridsuite/sensitivityanalysis/server/SupervisionControllerTest.java
index cea88cf4..67cda1a3 100644
--- a/src/test/java/org/gridsuite/sensitivityanalysis/server/SupervisionControllerTest.java
+++ b/src/test/java/org/gridsuite/sensitivityanalysis/server/SupervisionControllerTest.java
@@ -6,6 +6,9 @@
  */
 package org.gridsuite.sensitivityanalysis.server;
 
+import lombok.SneakyThrows;
+import org.junit.After;
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -16,6 +19,7 @@
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.MvcResult;
 
+import static com.powsybl.network.store.model.NetworkStoreApi.VERSION;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@@ -33,6 +37,13 @@ public class SupervisionControllerTest {
     @Autowired
     private MockMvc mockMvc;
 
+    @SneakyThrows
+    @Before
+    public void setup() {
+        mockMvc.perform(delete("/" + VERSION + "/results"))
+            .andExpect(status().isOk());
+    }
+
     @Test
     public void testResultCount() throws Exception {
         //get the result timeline uuid of the calculation