anchor.diff:  
     let private propertyTest methodName focusState config name property =
   
  -    /// This running plugs into FsCheck and gives us the ability to
  -    /// get called by the framework on start/finish of fixtues.
  +    /// This running plugs into FsCheck and gives us the ability to get called
  +    /// by the framework on start/finish of fixtures.
       let runner =
         { new IRunner with
             member __.OnStartFixture _ = ()
             member __.OnArguments(_,_,_) = ()
             member __.OnShrink(_,_) = ()
  -          member __.OnFinished(_,testResult) =
  -            let numTests i = if i=1 then "1 test" else string i+" tests"
  +          member __.OnFinished(_, testResult) =
  +            let numTests i = if i = 1 then "1 test" else sprintf "%i tests" i
               match testResult with
               | TestResult.True (_testData,_b) ->
                 ()
  
positive.code:               (data, original, shrunk, outcome, Random.StdGen (std,gen)) ->
  
                sprintf
                  "Failed after %s. Parameters: %s Result: %A\n%s (%i,%i)"
                  (numTests data.NumberOfTests)
                  (String.Join(" ",List.map (sprintf "%A") original) +
                    if data.NumberOfShrinks>0 then
                      " (Shrunk: " +
                          String.Join(" ",List.map (sprintf "%A") shrunk) + ")"
  
negative.code:   /// Builds a test property with config
    let testPropertyWithConfig config name =
      propertyTest "ftestPropertyWithConfig" Normal config name
  
    /// Builds a test property with config that will be ignored by Expecto.
    let ptestPropertyWithConfig config name =
      propertyTest "ftestPropertyWithConfig" Pending config name
  
    /// Builds a test property with config that will make Expecto to
    /// ignore other unfocused tests.
    let ftestPropertyWithConfig stdGen config name =
      let config =
        { config with
            Replay = Random.StdGen stdGen |> Some }
      propertyTest "ftestPropertyWithConfig" Focused config name
  
    /// Builds a test property.
    let testProperty name =
      propertyTest "ftestProperty" Normal Config.Default name
  
    /// Builds a test property that will be ignored by Expecto.
    let ptestProperty name =
      propertyTest "ftestProperty" Pending Config.Default name
  
    /// Builds a test property that will make Expecto to ignore other unfocused tests.
    let ftestProperty stdGen name =
      let config =
        { Config.Default with
  