进程在执行Nunit测试期间终止

I have a test project that takes alot of time to test cases. I have configured cruisecontrol.net with Nunit, msbuild. Now if I run my project during the execution of Nunit it kills the process and fail the build. Also if you force a build then results are not updated it shows the last build results and also giving Textfixturesetup failed after viewing the results even if the tests passes. I have a test project that takes alot of time t