Add smoke runtime test

Signed-off-by: James Sturtevant <[email protected]>

Author: jsturtevant

tests/runtime/smoke/wasm.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Diagnostics;
+using wit_smoke.Wit.imports.test.smoke.Imports;
+
+namespace wit_smoke;
+
+public class SmokeWorldImpl : SmokeWorld
+{
+    public static void Thunk()
+    {
+        ImportsInterop.Thunk();
+    }
+}