As dglaubman suggests you can use NUnit. xUnit.net also provides support for this and works well with TestDriven.net. The code looks similar to NUnit tests but without the requirement to wrap the test in a containing type.
#light
// Supply a module name here not a combination of module and namespace, otherwise
// F# cannot resolve individual tests nfrom the UI.
module NBody.DomainModel.FSharp.Tests
open System
open Xunit
open Internal
[]
let CreateOctantBoundaryReordersMinMax() =
let Max = VectorFloat(1.0, 1.0, 1.0)
let Min = VectorFloat(-1.0, -1.0, -1.0)
let result = OctantBoundary.create Min Max
Assert.Equal(Min, result.Min)
Assert.Equal(Max, result.Max)
