8316462: sun/jvmstat/monitor/MonitoredVm/MonitorVmStartTerminate.java…

… ignores VM flags

Reviewed-by: kevinw, sspitsyn

test/jdk/sun/jvmstat/monitor/MonitoredVm/MonitorVmStartTerminate.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2023, 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
@@ -308,10 +308,9 @@ public void terminate() {
 
         private void executeJava() throws Throwable {
             String className = JavaProcess.class.getName();
-            String classPath = System.getProperty("test.classes");
-            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+            ProcessBuilder pb = ProcessTools.createTestJvm(
                 "-Dtest.timeout.factor=" + System.getProperty("test.timeout.factor", "1.0"),
-                "-cp", classPath, className, mainArgsIdentifier);
+                className, mainArgsIdentifier);
             OutputAnalyzer ob = ProcessTools.executeProcess(pb);
             System.out.println("Java Process " + getMainArgsIdentifier() + " stderr:"
                     + ob.getStderr());