Test macro loading from IIFE can accept no return

Author: anko

test.ls

@@ -729,6 +729,12 @@ test "macro constructor called with no arguments is an error" ->
   -> esl "(macro)"
    ..`@throws` Error
 
+test "macro constructor loading from IIFE can load nothing" ->
+  esl """
+      (macro ((function ())))
+       """
+   ..`@equals` ""
+
 test "macro can return multiple statements with `multi`" ->
   esl "(macro declareTwo (function () (return ((. this multi) '(var x 0) '(var y 1)))))
        (declareTwo)"