When a WPF test is set to "Use Default Path", when you attempt to run it in VS Test View or VS Test Explorer it will always fail with the following error: ------------------------------------------------------------ '9/11/2014 11:08:34 AM' - Executing test: 'WpfTest1', path: 'WpfTest1.tstest.' '9/11/2014 11:08:34 AM' - Using .Net Runtime version: '4.0.30319.18444' for test execution. Build version is '2014.3.903.0'. '9/11/2014 11:08:34 AM' - Starting execution.... '9/11/2014 11:08:34 AM' - Failure detected during execution. Details: ------------------------------------------------------------ '9/11/2014 11:08:34 AM' - System.Exception: Unable to detect an application to launch for test 'WpfTest1'. Make sure you configure an application for this test by clicking on 'Configure' from the 'Record' tab. at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.InitializeWpf(ExecutionEngineCreateParams initParams) at ArtOfTest.WebAii.Design.Execution.TestExecuteProxy.CreateAndInitializeEngine(Test test, ExecutionEngineCreateParams cp) at ArtOfTest.WebAii.Design.Execution.TestExecuteProxy.ExecuteTest(ExecuteTestCommand command) ------------------------------------------------------------ '9/11/2014 11:08:34 AM' - Test completed!