anchor.diff:                      return false
                   with e -> return true
                 }
  -        Async.RunSynchronously(a, 1000) |> Assert.True
  +        Async.RunSynchronously(a) |> Assert.True
   
       [<Fact>]
       member this.TaskAsyncValueCancellation () =
  
positive.code:                 do! Async.AwaitTask(t)
                  return true
              }
          let result =Async.RunSynchronously(a, 1000)
          (!hasBeenCalled && result) |> Assert.True
  
      [<Fact>]
  
negative.code:                 let! s1 = Async.AwaitTask(t)
                  return s = s1
              }
          Async.RunSynchronously(a) |> Assert.True
  
      [<Fact>]
      member this.AwaitTaskCancellation () =
  