TEST: convertion unit tests into run tests

backend.native/tests/codegen/object/initialization.kt

@@ -17,4 +17,8 @@ fun foo(i:Int) : Unit {}
 fun foo(i:Int, j:Int):Int {
    val c = D(i, j)
    return c.c
+}
+
+fun main(args:Array<String>) {
+   if (foo(2, 3) != 5) throw Error()
 }