Update all tests

tests/language/compile_time_constant_arguments_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class A {
   const A(a);
   const A.named({a: 42});
   const A.optional([a]);
 }
 
 main() {
   const A(1);
-  const A(); /// 01: compile-time error, static type warning
-  const A(1, 2); /// 02: compile-time error, static type warning
+  const A(); //# 01: compile-time error, static type warning
+  const A(1, 2); //# 02: compile-time error, static type warning
   const A.named();
-  const A.named(b: 1); /// 03: compile-time error, static type warning
-  const A.named(a: 1, a: 2); /// 04: compile-time error, static type warning
-  const A.named(a: 1, b: 2); /// 05: compile-time error, static type warning
+  const A.named(b: 1); //# 03: compile-time error, static type warning
+  const A.named(a: 1, a: 2); //# 04: compile-time error, static type warning
+  const A.named(a: 1, b: 2); //# 05: compile-time error, static type warning
   const A.optional();
   const A.optional(42);
-  const A.optional(42, 54); /// 06: compile-time error, static type warning
+  const A.optional(42, 54); //# 06: compile-time error, static type warning
 }