TFS Continuous INtegration: Unit Testing

I have configured BizTalk UnitTest Project to run on every check into TFS.But Test run is failing with below error.

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Method not found: 'Microsoft.VisualStudio.TestTools.TestManagement.ControllerProxy Microsoft.VisualStudio.TestTools.TestManagement.Tmi.GetControllerProxy(Microsoft.VisualStudio.TestTools.Common.TestRunConfiguration, System.Object)'.

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Please help with solution

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error detail

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C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\MSTest.exe /nologo /usestderr /searchpathroot:"C:\Builds\29\BizTalk\\Binaries" /resultsfileroot:"C:\Builds\29\BizTalk\\TestResults" /testcontainer:"C:\Builds\29\BizTalk\\Sources\BizTalk\\C.UnitTest\bin\Release\.UnitTest.dll" /publish:"" /noprompt /publishbuild:"vstfs:///Build/Build/2592" /teamproject:"BizTalk" /platform:"Any CPU" /flavor:"Release" Loading C:\Builds\29\BizTalk\\Sources\BizTalk\\.UnitTest\bin\Release\.UnitTest.dll... Starting execution... Microsoft (R) Test Execution Command Line Tool Version 12.0.21005.1 Copyright (c) Microsoft Corporation. All rights reserved. For switch syntax, type "MSTest /help" Method not found: 'Microsoft.VisualStudio.TestTools.TestManagement.ControllerProxy Microsoft.VisualStudio.TestTools.TestManagement.Tmi.GetControllerProxy(Microsoft.VisualStudio.TestTools.Common.TestRunConfiguration, System.Object)'.