MSTest & AppDomains

Question

In some my project I notice that during executing unit tests under VSTS2008 its VSTestHost\'s memory consuming grows. As I have very many tests in my solution it leads to Ou

Answer 1

MsTest creates one-app domain per Test assembly, unless you are using noisolation, in which case there is no AppDomain Isolation.

If you are seeing leaks, its probably a but in either your test code, or your product code. Make sure you aren't stuffing things into dictionaries and leaving them there.