enable the releaseBrokenJarOnWindows test case only for windows

pf4j/src/test/java/org/pf4j/JarPluginManagerTest.java

 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.EnabledOnOs;
+import org.junit.jupiter.api.condition.OS;
 import org.junit.jupiter.api.io.TempDir;
 import org.pf4j.test.PluginJar;
 import org.pf4j.test.TestExtension;
     }
 
     @Test
-    public void releaseBrokenJar() throws IOException {
+    @EnabledOnOs(OS.WINDOWS)
+    public void releaseBrokenJarOnWindows() throws IOException {
         PluginJar pluginZip = new PluginJar.Builder(pluginsPath.resolve("test.jar"), "test")
             .pluginVersion("1.2.3")
             .pluginClass("invalidClass")