[tests] fence

tests/unit/src/unitstd/haxe/iterators/StringIteratorUnicode.unit.hx

@@ -6,5 +6,9 @@ function traverse(s:String) {
 	return a;
 }
 
+#if !(neko || (cpp && !cppia && !hxcpp_smart_strings))
+
 traverse("abcde") == ["a".code, "b".code, "c".code, "d".code, "e".code];
 traverse("aa😂éé") == ["a".code, "a".code, "😂".code, "é".code, "é".code];
+
+#end

tests/unit/src/unitstd/haxe/iterators/StringKeyValueIteratorUnicode.unit.hx

@@ -8,6 +8,8 @@ function traverse(s:String) {
 	return { k: ak, v: av };
 }
 
+#if !(neko || (cpp && !cppia && !hxcpp_smart_strings))
+
 var r = traverse("abcde");
 r.k == [0, 1, 2, 3, 4];
 r.v == ["a".code, "b".code, "c".code, "d".code, "e".code];
@@ -15,3 +17,4 @@ r.v == ["a".code, "b".code, "c".code, "d".code, "e".code];
 var r = traverse("aa😂éé");
 r.k == [0, 1, 2, 3, 4];
 r.v == ["a".code, "a".code, "😂".code, "é".code, "é".code];
+#end