diff --git a/core/commons/che-core-commons-lang/src/test/java/org/eclipse/che/commons/lang/IoUtilTest.java b/core/commons/che-core-commons-lang/src/test/java/org/eclipse/che/commons/lang/IoUtilTest.java
index cd4e6469ba..daa071a630 100644
--- a/core/commons/che-core-commons-lang/src/test/java/org/eclipse/che/commons/lang/IoUtilTest.java
+++ b/core/commons/che-core-commons-lang/src/test/java/org/eclipse/che/commons/lang/IoUtilTest.java
@@ -48,8 +48,9 @@ public class IoUtilTest {
     URI codenvyDir = URI.create("jar:" + testJar + "!/");
 
     List<String> resources = new ArrayList<>();
-    IoUtil.listResources(codenvyDir, path -> resources.add(path.getFileName().toString()));
+    IoUtil.listResources(
+        codenvyDir, path -> resources.add(path.getFileName().toString().replace("/", "")));
 
-    assertTrue(resources.contains("codenvy/"));
+    assertTrue(resources.contains("codenvy"));
   }
 }