anchor.diff:  
       [<Test>]
       let ``27 Mixed mode assemblies`` () =
  -        if is64BitProcess && not runsOnMono.Value then
  +        if isWindowsProcess && isX64Process then
               let fsi = FsiSession.Value
   
               fsi.EvalInteraction """
  
positive.code:             
              sprintf "samples/ThunkServer/bin/%s/%s" configuration framework
  
          let thunkServer = getFullPath (thunkServerPath @@ "ThunkServer.exe")
  
          // add dependencies
  
  
negative.code: 
      [<Test>]
      let ``13 Add reference to external library`` () =
          if not isWindowsProcess then () else // fsc.exe is difficult to set up on linux
          let code = """
              module StaticAssemblyTest
  
  