Update all tests

tests/language/ref_before_declaration_test.dart

 // Copyright (c) 2013, 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.
 
 // Test compile-time errors for illegal variable declarations if the name
 // has been referenced before the variable is declared.
 
 import 'dart:math' as math;
 
 use(value) => value;
 
 var x = 0;
 final y = 0;
 
 class C {
   var f;
   C() : f = 'How do you spell PTSD?';
 
   void test1() {
         use(f);  // Refers to instance field f.
-    var f = 'A shut mouth gathers no foot.';  /// 00: compile-time error
+    var f = 'A shut mouth gathers no foot.';  //# 00: compile-time error
   }
 
   void test2() {
         void localFunc() {
       use(f);  // Refers to instance field f.
         }
 
-    var f = 'When chemists die, they barium.';  /// 01: compile-time error
+    var f = 'When chemists die, they barium.';  //# 01: compile-time error
     if (true) {
       var f = 1; // ok, shadows outer f and instance field f.
     }
   }
 
   void test3() {
     if (true) {
       use(x);  // Refers to top-level x.
       use(y);  // Refers to top-level y.
     }
-    final x = "I have not yet begun to procrastinate.";  /// 02: compile-time error
-    const y = "Honk if you like peace and quiet!";  /// 03: compile-time error
+    final x = "I have not yet begun to procrastinate.";  //# 02: compile-time error
+    const y = "Honk if you like peace and quiet!";  //# 03: compile-time error
   }
 
   void test4() {
     void Q() {
       P();  // Refers to non-existing top-level function P
     }
-    void P() {  /// 06: compile-time error
-      Q();      /// 06: continued
-    }           /// 06: continued
+    void P() {  //# 06: compile-time error
+      Q();      //# 06: continued
+    }           //# 06: continued
 
-    Function f = () {x = f;};  /// 07: compile-time error
+    Function f = () {x = f;};  //# 07: compile-time error
   }
 
   test() {
     test1();
     test2();
     test3();
     test4();
   }
 }
 
 void testTypeRef() {
   String s = 'Can vegetarians eat animal crackers?';
-  var String = "I distinctly remember forgetting that.";  /// 04: compile-time error
+  var String = "I distinctly remember forgetting that.";  //# 04: compile-time error
 }
 
 void testLibPrefix() {
   var pie = math.PI;
-  final math = 0;  /// 05: compile-time error
+  final math = 0;  //# 05: compile-time error
 }
 
 
 void noErrorsExpected() {
   use(x);
   for (var x = 0; x < 10; x++) use(x);
   for (var i = 0; i < 10; i++) var x = 0;
   if (true) var x = 0;
   while (false) var x = 0;
   try { throw "ball"; } catch (x) { use(x); }
   switch (x) {
      case 0: var x = 'Does fuzzy logic tickle?';
   }
   var int = 007;
 }
 
 void main() {
   var c = new C();
   c.test();
   testTypeRef();
   testLibPrefix();
   noErrorsExpected();
 }