This test requires Flip4Mac to be installed and an update to be available for the version that is installed. Previous versions of Flip4Mac can be downloaded from Telestream's website. As of the writing of this test on 2010-04-21 the latest available version of Flip4Mac is 126.96.36.199. The prior version to that, version 188.8.131.52, is therefore currently the most recent version that will reproduce this bug due to it being the most recent version with an update available.
Once Flip4Mac is installed, you can test the bug by doing the following.
NSDeallocateZombies=NOset in the enrivonment.
If you have the correct version of Flip4Mac installed but do not see the update alert displayed when loading this page then you may need to delete
the Flip4Mac preferences to force it to check for updates. You can do this by removing
and then relaunching the browser.