test/closed/java/awt/Component/VisibleHwInLwContTest/VisibleHwInLwContTest.html fails with promoted JDK7b25 and latest local build on linux (KDE) with the following output.
Test passes with JDK7b19. Not tried other builds.
The test passes on Windows2000.

#Test Results (version 2)
#Wed Apr 16 17:08:42 MSD 2008
#checksum:3dcffe9b3c4c4dc5
#-----testdescription-----
$file=<dir>/jdk/test/closed/java/awt/Component/VisibleHwInLwContTest/VisibleHwInLwContTest.html
$root=<dir>/test
author=###@###.###: area=awt.Component
keywords=bug4818916
run=USER_SPECIFIED applet VisibleHwInLwContTest.html\n
source=VisibleHwInLwContTest.html
title=CardLayout heavyweight makes lightweight visible

#-----environment-----

#-----testresult-----
description=file://&lt;dir&gt;/jdk/test/closed/java/awt/Component/VisibleHwInLwContTest/VisibleHwInLwContTest.html
end=Wed Apr 16 17:08:42 MSD 2008
environment=regtest
execStatus=Failed. Execution failed: Applet thread threw exception: java.lang.RuntimeException: Test failed. Action performed on invisible button.
javatestOS=Linux 2.6.11.4-20a-default (i386)
javatestVersion=2.1.5
script=com.sun.javatest.regtest.RegressionScript
sections=script_messages build applet
start=Wed Apr 16 17:08:35 MSD 2008
status=Failed. Execution failed: Applet thread threw exception: java.lang.RuntimeException: Test failed. Action performed on invisible button.
test=closed/java/awt/Component/VisibleHwInLwContTest/VisibleHwInLwContTest.html
work=<dir>/jdk/test/closed/java/awt/Component/VisibleHwInLwContTest/JTwork/closed/java/awt/Component/VisibleHwInLwContTest

#section:script_messages
----------messages:(4/181)----------
JDK under test: (/home/id/tmp/linux-i586)
java version "1.7.0-ea"
Java(TM) SE Runtime Environment (build 1.7.0-ea-b25)
Java HotSpot(TM) Client VM (build 12.0-b01, mixed mode)

#section:build
----------messages:(3/107)----------
command: build VisibleHwInLwContTest
reason: Named class compiled on demand
elapsed time (seconds): 0.011
result: Passed. No need to compile: VisibleHwInLwContTest.java

#section:applet
----------messages:(3/143)----------
command: applet VisibleHwInLwContTest.html
reason: User specified action: run applet VisibleHwInLwContTest.html
elapsed time (seconds): 6.829
----------System.out:(1/47)----------
Any messages for the tester will display here.
----------System.err:(6/410)----------
actionPerformed
java.lang.RuntimeException: Test failed. Action performed on invisible button.
at VisibleHwInLwContTest.start(VisibleHwInLwContTest.java:96)
at com.sun.javatest.regtest.AppletWrapper$AppletThread.run(AppletWrapper.java:145)
at java.lang.Thread.run(Thread.java:674)
STATUS:Failed.Applet thread threw exception: java.lang.RuntimeException: Test failed. Action performed on invisible button.
result: Failed. Execution failed: Applet thread threw exception: java.lang.RuntimeException: Test failed. Action performed on invisible button.


test result: Failed. Execution failed: Applet thread threw exception: java.lang.RuntimeException: Test failed. Action performed on invisible button.