Update all tests

tests/corelib_strong/from_environment_const_type_undefined_test.dart

 // Copyright (c) 2014, 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.
 
 import "package:expect/expect.dart";
 
 class Foo {}
 
 const
-    bool   /// 01: ok
-    int    /// 02: static type warning, checked mode compile-time error
-    String /// 03: static type warning, checked mode compile-time error
-    Foo    /// 04: static type warning, checked mode compile-time error
+    bool   //# 01: ok
+    int    //# 02: static type warning, checked mode compile-time error
+    String //# 03: static type warning, checked mode compile-time error
+    Foo    //# 04: static type warning, checked mode compile-time error
     a = const bool.fromEnvironment('a');
 
 const
-    bool   /// 05: ok
-    int    /// 06: static type warning, checked mode compile-time error
-    String /// 07: static type warning, checked mode compile-time error
-    Foo    /// 08: static type warning, checked mode compile-time error
+    bool   //# 05: ok
+    int    //# 06: static type warning, checked mode compile-time error
+    String //# 07: static type warning, checked mode compile-time error
+    Foo    //# 08: static type warning, checked mode compile-time error
     b = const bool.fromEnvironment('b');
 
 const
-    bool   /// 09: static type warning
-    int    /// 10: ok
-    String /// 11: static type warning
-    Foo    /// 12: static type warning
+    bool   //# 09: static type warning
+    int    //# 10: ok
+    String //# 11: static type warning
+    Foo    //# 12: static type warning
     c = const int.fromEnvironment('c');
 
 const
-    bool   /// 13: static type warning
-    int    /// 14: static type warning
-    String /// 15: ok
-    Foo    /// 16: static type warning
+    bool   //# 13: static type warning
+    int    //# 14: static type warning
+    String //# 15: ok
+    Foo    //# 16: static type warning
     d = const String.fromEnvironment('d');
 
 main() {
   Expect.equals(a, false);
   Expect.equals(b, false);
   Expect.equals(c, null);
   Expect.equals(d, null);
 }