8354327: Rewrite runtime/LoadClass/LoadClassNegative.java

Backport-of: a2f9c248447d2840d191366cead1ba474ed9a15a

Author: GoeLin

test/hotspot/jtreg/runtime/LoadClass/LoadClassNegative.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 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
@@ -40,8 +40,15 @@
 public class LoadClassNegative {
 
   public static void main(String args[]) throws Exception {
-    String bootCP = "-Xbootclasspath/a:" + System.getProperty("test.src")
-                       + File.separator + "dummy.jar";
+
+    // Create an empty file in the scratch directory
+    final String filename = "empty.jar";
+    File emptyJar = new File(filename);
+    emptyJar.createNewFile();
+
+    // Explicitly tell to use it for class loading
+    String bootCP = "-Xbootclasspath/a:" + emptyJar.getAbsolutePath();
+
     ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
         bootCP,
         "TestForName");