Fix warnings_checker.dart handling of multitests

tests/language/factory2_test.dart

Index: tests/language/factory2_test.dart
diff --git a/tests/language/factory2_test.dart b/tests/language/factory2_test.dart
index 963d8384943b4290c957789e5ef83dd4a761717e..85985a4174d4cce13a4f75effd65289c7353dbd5 100644
--- a/tests/language/factory2_test.dart
+++ b/tests/language/factory2_test.dart
@@ -6,7 +6,7 @@ import "dart:collection";
 
 abstract class Link<T> extends IterableBase<T> {
   // does not match constructor for LinkFactory
-  factory Link(T head, [Link<T> tail]) = LinkFactory<T>; /// static type warning
+  factory Link(T head, [Link<T> tail]) = LinkFactory<T>; //# static type warning
   Link<T> prepend(T element);
 }
 
@@ -39,14 +39,14 @@ class LinkEntry<T> extends AbstractLink<T> {
 
 class Fisk {
   // instantiation of abstract class
-  Link<String> nodes = const EmptyLink(); // /// static type warning
+  Link<String> nodes = const EmptyLink(); // //# static type warning
 }
 
 main() {
   new Fisk();
   // instantiation of abstract class
-  new EmptyLink<String>().prepend('hest'); /// static type warning
+  new EmptyLink<String>().prepend('hest'); //# static type warning
   // instantiation of abstract class
-  const EmptyLink<String>().prepend('fisk'); /// static type warning
+  const EmptyLink<String>().prepend('fisk'); //# static type warning
 }