diff --git a/test/src/test/java/jenkins/model/JenkinsBuildsAndWorkspacesDirectoriesTest.java b/test/src/test/java/jenkins/model/JenkinsBuildsAndWorkspacesDirectoriesTest.java
index baf3ae1416..2051c1a26a 100644
--- a/test/src/test/java/jenkins/model/JenkinsBuildsAndWorkspacesDirectoriesTest.java
+++ b/test/src/test/java/jenkins/model/JenkinsBuildsAndWorkspacesDirectoriesTest.java
@@ -211,7 +211,7 @@ public class JenkinsBuildsAndWorkspacesDirectoriesTest {
     @Test
     public void fromPreviousCustomSetup() {
 
-        assumeFalse(Functions.isWindows()); // Default Windows lifecycle does not support restart.
+        assumeFalse("Default Windows lifecycle does not support restart.", Functions.isWindows());
 
         // check starting point and change config for next run
         final String newBuildsDirValueBySysprop = "/tmp/${ITEM_ROOTDIR}/bluh";