Update all tests

tests/language/typevariable_substitution2_test.dart

Index: tests/language/typevariable_substitution2_test.dart
diff --git a/tests/language/typevariable_substitution2_test.dart b/tests/language/typevariable_substitution2_test.dart
index dffa91397c4b7cfabef56f13e390a77195357295..3a7149e3577d7fe8bc256a13576323248a69a6c4 100644
--- a/tests/language/typevariable_substitution2_test.dart
+++ b/tests/language/typevariable_substitution2_test.dart
@@ -21,6 +21,6 @@ class C<T> = B<T> with M;
 
 main() {
   new A(null);
-  new C<String>(''); /// 01: ok
-  checkDynamicTypeError(() => new C<String>(0)); /// 02: static type warning
+  new C<String>(''); //# 01: ok
+  checkDynamicTypeError(() => new C<String>(0)); //# 02: static type warning
 }