For this post, I am assuming that the tests are stored in test case management store of Tfs and you are queuing the test run from the tcm clients (Either MTM, TCM.exe or lab workflow). In case your tests are only in VS and you are running them via VS...

In dev10, test settings in MTM does not expose all the configuration options which are present in Visual Studio. These configuration options include bucket size, deployment timeout among few others. I have created a small utility named UpdateTestSettings...