The libpam tests disabled on windows

- Unix feature

Signed-off-by: David Matějček <david.matejcek@omnifish.ee>

appserver/libpam4j/src/test/java/org/jvnet/libpam/UnixUserTest.java

@@ -1,6 +1,6 @@
 /*
+ * Copyright (c) 2021, 2023 Contributors to the Eclipse Foundation
  * Copyright (c) 2014, 2018 Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2021 Contributors to the Eclipse Foundation
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0, which is available at
@@ -19,10 +19,13 @@
 
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledOnOs;
+import org.junit.jupiter.api.condition.OS;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
+@DisabledOnOs(OS.WINDOWS)
 public class UnixUserTest {
     private UnixUser user;