Move FSharpTestProjects to the TestAssets folder.

TestAssets/FSharpTestProjects/TestAppWithArgs/Program.fs

@@ -0,0 +1,19 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+namespace TestApp
+
+open System
+open System.Diagnostics
+
+module Program =
+
+    [<EntryPoint>]
+    let Main args =
+        printfn "Hello World!"
+
+        printfn "I was passed %d args:" args.Length
+
+        args |> Array.iter (printfn "arg: [%s]")
+
+        0