anchor.diff:      describe "With no failures reported" <| fun () ->
           it "Is a success" <| fun () ->
               let r = TestReport()
  -            assertTrue (r.success())
  +            r.success() |> should equal true
   
       describe "With failures reported" <| fun() ->
           it "Is a failure" <| fun () ->
  
positive.code: module Main
  open FSpec
  open Expectations
  
  let assertTrue value =
    if not value then
      failwithf "Value was false"
  
  let assertFalse value =
    if value then
  
negative.code:             with
                  | _ ->
                      thrown <- true
              thrown |> should equal true
  
  let report = TestReport()
  c.run(report)
  