anchor.diff:        /// Path to MSTest.exe 
         ToolPath : string
         /// Option which allow to specify if a MSTest error should break the build.
  -      ErrorLevel : ErrorLevel }
  +      ErrorLevel : ErrorLevel
  +      /// Run tests in isolation.
  +      Isolate : bool }
   
   /// MSTest default parameters.
   let MSTestDefaults = 
  
positive.code:           match tryFindFile mstestPaths mstestexe with
            | Some path -> path
            | None -> ""
        ErrorLevel = ErrorLevel.Error }
  
  /// Builds the command line arguments from the given parameter record and the given assemblies.
  /// [omit]
  
negative.code:     |> appendIfNotNull assembly "/testcontainer:"
      |> appendIfNotNull parameters.Category "/category:"
      |> appendIfNotNull testResultsFile "/resultsfile:"
      |> appendIfFalse parameters.Isolate "/noisolation"
      |> toText
  
  /// Runs MSTest command line tool on a group of assemblies.
  