diff --git a/co-simulation/fed/mosaic-carma-cloud/src/test/java/org/eclipse/mosaic/fed/carmacloud/ambassador/CarmaCloudMessageAmbassadorTest.java b/co-simulation/fed/mosaic-carma-cloud/src/test/java/org/eclipse/mosaic/fed/carmacloud/ambassador/CarmaCloudMessageAmbassadorTest.java
index 6b10c1a8..15c4c039 100644
--- a/co-simulation/fed/mosaic-carma-cloud/src/test/java/org/eclipse/mosaic/fed/carmacloud/ambassador/CarmaCloudMessageAmbassadorTest.java
+++ b/co-simulation/fed/mosaic-carma-cloud/src/test/java/org/eclipse/mosaic/fed/carmacloud/ambassador/CarmaCloudMessageAmbassadorTest.java
@@ -42,6 +42,7 @@
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.RuleChain;
 import org.junit.rules.TemporaryFolder;
 
 
@@ -54,6 +55,9 @@ public class CarmaCloudMessageAmbassadorTest {
 
     private final TestFileRule testFileRule = new TestFileRule(temporaryFolder).basedir("carmacloud");
 
+    @Rule
+    public RuleChain chain = RuleChain.outerRule(temporaryFolder).around(testFileRule);
+
     /**
      * {@link RtiAmbassador} mock.
      */