add fsharp version

fsharp/GildedRose.Tests/GildedRoseTest.fs

@@ -0,0 +1,32 @@
+module GildedRoseTest
+
+open GildedRose
+open System
+open System.IO
+open System.Text
+open NUnit.Framework
+open System.Collections.Generic
+open ApprovalTests
+open ApprovalTests.Reporters
+
+[<TestFixture>]
+type GildedRoseTest () as this =
+    [<Test>] member this.Foo ()=
+        let Items = new List<Item>()  
+        Items.Add({Name = "foo"; SellIn = 0; Quality = 0})
+        let app = new GildedRose(Items)
+        app.UpdateQuality()
+        Assert.AreEqual("fixme", Items.[0].Name)
+
+[<TestFixture>]
+[<UseReporter(typeof<ApprovalTests.Reporters.NUnitReporter>)>]
+type ApprovalTest () as this =
+    [<Test>] member this.ThirtyDays ()=
+        let fakeoutput = new StringBuilder()
+        Console.SetOut(new StringWriter(fakeoutput))
+        Console.SetIn(new StringReader("a\n"))
+
+        main Array.empty<string>
+        let output = fakeoutput.ToString()
+        Approvals.Verify(output)
+        ()