8356945: jdk/jfr/event/os/TestProcessStart failed on Windows Subsystem for Linux

Reviewed-by: egahlin

Author: chiroito

test/jdk/jdk/jfr/event/os/TestProcessStart.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -51,11 +51,12 @@ public static void main(String[] args) throws Throwable {
             recording.start();
             List<String> commandList = new ArrayList<>();
             if (Platform.isWindows()) {
+                commandList.add("help");
                 commandList.add("dir");
             } else {
                 commandList.add("ls");
+                commandList.add("*.jfr");
             }
-            commandList.add("*.jfr");
             ProcessBuilder pb = new ProcessBuilder(commandList);
             pb.directory(new File(".").getAbsoluteFile());
             Process p = pb.start();