tweak test cases

Author: Linyxus

tests/neg-custom-args/boxmap.scala

@@ -16,6 +16,6 @@ def test[A <: Top, B <: Top] =
   def lazymap[A <: Top, B <: Top](b: Box[A])(f: A => B) =
     () => b[Box[B]]((x: A) => box(f(x)))
   val x0: (b: Box[A]) -> (f: A => B) -> (() -> Box[B]) = lazymap[A, B]  // error
-  val x: (b: Box[A]) -> (f: A => B) -> {f} (() -> Box[B]) = lazymap[A, B]  // error // limitation
+  val x: (b: Box[A]) -> (f: A => B) -> {b, f} (() -> Box[B]) = lazymap[A, B]  // works
   val y: (b: Box[A]) -> (f: A => B) -> {*} (() -> Box[B]) = lazymap[A, B]  // works
   ()

tests/pos-custom-args/captures/lazyref.scala

@@ -9,7 +9,7 @@ def map[A, B](ref: {*} LazyRef[A], f: A => B): {f, ref} LazyRef[B] =
   new LazyRef(() => f(ref.elem()))
 
 def mapc[A, B]: (ref: {*} LazyRef[A], f: A => B) => {f, ref} LazyRef[B] =
-  (ref1, f1) => map[A, B](ref1, f1)  // error // limitation
+  (ref1, f1) => map[A, B](ref1, f1)
 
 def test(cap1: Cap, cap2: Cap) =
   def f(x: Int) = if cap1 == cap1 then x else 0