diff --git a/src/test/java/tg/cyberlabmanager/hypervisor/MockHypervisor.java b/src/test/java/tg/cyberlabmanager/hypervisor/MockHypervisor.java
index 6fe3480..c57771e 100644
--- a/src/test/java/tg/cyberlabmanager/hypervisor/MockHypervisor.java
+++ b/src/test/java/tg/cyberlabmanager/hypervisor/MockHypervisor.java
@@ -1,5 +1,7 @@
 package tg.cyberlabmanager.hypervisor;
 
+import tg.cyberlabmanager.model.AppConfig;
+import tg.cyberlabmanager.model.VMDescriptor;
 import tg.cyberlabmanager.model.VMStatus;
 
 import java.util.ArrayList;
@@ -15,7 +17,12 @@
 public class MockHypervisor implements IHypervisor {
 
     @Override
-    public List<String[]> listVMs() throws HypervisorException {
+    public void applyConfig(AppConfig config) {
+        // Mock: ne fait rien
+    }
+
+    @Override
+    public List<VMDescriptor> listVMs() throws HypervisorException {
         return new ArrayList<>();
     }