diff -r 67f4f8f4d34a -r 1017cd5d6506 langtools/test/jdk/jshell/ToolBasicTest.java
--- a/langtools/test/jdk/jshell/ToolBasicTest.java	Fri Jun 30 05:47:35 2017 -0700
+++ b/langtools/test/jdk/jshell/ToolBasicTest.java	Fri Jun 30 20:03:07 2017 +0200
@@ -325,12 +325,12 @@
         String tilde = "~" + File.separator;
         test(
                 (a) -> assertCommand(a, "/env --class-path " + tilde + "forblato",
-                        "|  File '" + System.getProperty("user.home") + File.separator
-                                + "forblato' for '--class-path' is not found."),
+                        "|  File '" + Paths.get(System.getProperty("user.home"), "forblato").toString()
+                                + "' for '--class-path' is not found."),
                 (a) -> assertCommand(a, "/env --class-path " + jarPath + File.pathSeparator
                                                             + tilde + "forblato",
-                        "|  File '" + System.getProperty("user.home") + File.separator
-                                + "forblato' for '--class-path' is not found.")
+                        "|  File '" + Paths.get(System.getProperty("user.home"), "forblato").toString()
+                                + "' for '--class-path' is not found.")
         );
     }
 
@@ -370,8 +370,8 @@
         String tilde = "~" + File.separatorChar;
         test(
                 (a) -> assertCommand(a, "/env --module-path " + tilde + "snardugol",
-                        "|  File '" + System.getProperty("user.home")
-                                + File.separatorChar + "snardugol' for '--module-path' is not found.")
+                        "|  File '" + Paths.get(System.getProperty("user.home"), "snardugol").toString()
+                                + "' for '--module-path' is not found.")
         );
     }