anchor.diff:  let SelectMethodReturnsMethodForInterface() =
       // Fixture setup
       let requestType = typeof<IInterface>
  -    let dummyBuilder =
  -        { new ISpecimenBuilder with
  -              member this.Create(r, c) = obj() }
       let sut = FoqMethodQuery dummyBuilder
       // Exercise system
       let result = sut.SelectMethods(requestType)
  
positive.code: let SelectMethodReturnsMethodWithoutParametersForInterface() =
      // Fixture setup
      let requestType = typeof<IInterface>
      let dummyBuilder =
          { new ISpecimenBuilder with
                member this.Create(r, c) = obj() }
      let sut = FoqMethodQuery dummyBuilder
      // Exercise system
      let result = (sut.SelectMethods(requestType) |> Seq.head).Parameters
  
negative.code:             ||| BindingFlags.Instance
              ||| BindingFlags.NonPublic)         
          |> Seq.map(fun ci -> ci.GetParameters())
      let sut = FoqMethodQuery dummyBuilder
      // Exercise system
      let result = 
  