In Sandbox Test Suite, ThreadGroupTest is broken.

Javawebstart build is nightly build on Now. 28.

Exception:
ThreadGroupTest caused unknown exception!
java.security.AccessControlException: access denied (java.lang.RuntimePermission
 modifyThreadGroup)
        at java.security.AccessControlContext.checkPermission(AccessControlConte
xt.java:272)
        at java.security.AccessController.checkPermission(AccessController.java:
399)
        at java.lang.SecurityManager.checkPermission(SecurityManager.java:545)
        at java.lang.SecurityManager.checkAccess(SecurityManager.java:733)
        at java.lang.ThreadGroup.checkAccess(ThreadGroup.java:279)
        at java.lang.ThreadGroup.getParent(ThreadGroup.java:140)
        at ThreadGroupTest.runTest(ThreadGroupTest.java:22)
        at SandboxSecurityTestMain.run(SandboxSecurityTestMain.java:75)
        at SandboxSecurityTestMain.main(SandboxSecurityTestMain.java:29)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.sun.javaws.Launcher.executeApplication(Launcher.java:701)
        at com.sun.javaws.Launcher.executeMainClass(Launcher.java:663)
        at com.sun.javaws.Launcher.continueLaunch(Launcher.java:546)
        at com.sun.javaws.Launcher.handleApplicationDesc(Launcher.java:334)
        at com.sun.javaws.Launcher.handleLaunchFile(Launcher.java:151)
        at com.sun.javaws.Launcher.<init>(Launcher.java:113)
        at com.sun.javaws.Main.main(Main.java:153)


Test case is at:
http://comanche.eng.sun.com/jawstest/sandbox/

Note: This test case is ported from plug-in sandbox tests. No modification
has been changed on security permissions.

yu.wang@eng 2000-11-28