Bug in VSTS 2008 SP1 causes think time for redirected ignored

Unfortunately, late last week we discovered a nasty bug with load testing in VSTS 2008 SP1 that is a regression from the original RTM version of VSTS 2008: for Web test requests that result in redirects, any think time that is specifed on the request is ignored when the Web test is run in a load test. Even more unfortunately, VSTS 2008 SP1 has been locked down for changes, so the fix for this problem will not make it in. We will need to create a QFE to be applied to SP1 to fix the problem. It takes some time to get through the QFE process. In the meantime, it is possible to workaround this bug by adding a Web test plugin to each Web test used in a load test that uses redirects and think times (probably most Web tests). The work around is to add the following WebTestPlugin to your test solution, and then add the Web test plug-in to each Web test (fortunately a Web test can have any number of plug-ins):