Update all tests

tests/language/library_env_test.dart

 // Copyright (c) 2015, 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';
 
 main() {
   const NOT_PRESENT = false;
 
   Expect.isTrue(const bool.fromEnvironment("dart.library.async"));
   Expect.isTrue(const bool.fromEnvironment("dart.library.collection"));
   Expect.isTrue(const bool.fromEnvironment("dart.library.convert"));
   Expect.isTrue(const bool.fromEnvironment("dart.library.core"));
   Expect.isTrue(const bool.fromEnvironment("dart.library.typed_data"));
   Expect.isTrue(const bool.fromEnvironment("dart.library.developer"));
 
   // Internal libraries should not be exposed.
   Expect.equals(NOT_PRESENT,
       const bool.fromEnvironment("dart.library._internal",
           defaultValue: NOT_PRESENT));
 
 
   bool hasHtmlSupport;
-  hasHtmlSupport = true;   /// has_html_support: ok
-  hasHtmlSupport = false;  /// has_no_html_support: ok
+  hasHtmlSupport = true;   //# has_html_support: ok
+  hasHtmlSupport = false;  //# has_no_html_support: ok
 
   if (hasHtmlSupport != null) {
     bool expectedResult = hasHtmlSupport ? true : NOT_PRESENT;
 
     Expect.equals(expectedResult,
         const bool.fromEnvironment("dart.library.html",
             defaultValue: NOT_PRESENT));
     Expect.equals(expectedResult,
         const bool.fromEnvironment("dart.library.indexed_db",
             defaultValue: NOT_PRESENT));
     Expect.equals(expectedResult,
         const bool.fromEnvironment("dart.library.svg",
             defaultValue: NOT_PRESENT));
     Expect.equals(expectedResult,
         const bool.fromEnvironment("dart.library.web_audio",
             defaultValue: NOT_PRESENT));
     Expect.equals(expectedResult,
         const bool.fromEnvironment("dart.library.web_gl",
             defaultValue: NOT_PRESENT));
     Expect.equals(expectedResult,
         const bool.fromEnvironment("dart.library.web_sql",
             defaultValue: NOT_PRESENT));
   }
 
   bool hasIoSupport;
-  hasIoSupport = true;   /// has_io_support: ok
-  hasIoSupport = false;  /// has_no_io_support: ok
+  hasIoSupport = true;   //# has_io_support: ok
+  hasIoSupport = false;  //# has_no_io_support: ok
 
   if (hasIoSupport != null) {
     // Dartium overrides 'dart.library.io' to return "false".
     // We don't test for the non-existance, but just make sure that
     // dart.library.io is not set to true.
     Expect.equals(hasIoSupport,
         const bool.fromEnvironment("dart.library.io",
             defaultValue: false));
   }
 
   bool hasMirrorSupport;
-  hasMirrorSupport = true;   /// has_mirror_support: ok
-  hasMirrorSupport = false;  /// has_no_mirror_support: ok
+  hasMirrorSupport = true;   //# has_mirror_support: ok
+  hasMirrorSupport = false;  //# has_no_mirror_support: ok
 
   if (hasMirrorSupport != null) {
     bool expectedResult = hasMirrorSupport ? true : NOT_PRESENT;
 
     Expect.equals(expectedResult,
         const bool.fromEnvironment("dart.library.mirrors",
             defaultValue: NOT_PRESENT));
   }
 
   Expect.equals(NOT_PRESENT,
       const bool.fromEnvironment("dart.library.XYZ",
           defaultValue: NOT_PRESENT));
   Expect.equals(NOT_PRESENT,
       const bool.fromEnvironment("dart.library.Collection",
           defaultValue: NOT_PRESENT));
   Expect.equals(NOT_PRESENT,
       const bool.fromEnvironment("dart.library.converT",
           defaultValue: NOT_PRESENT));
   Expect.equals(NOT_PRESENT,
       const bool.fromEnvironment("dart.library.",
           defaultValue: NOT_PRESENT));
   Expect.equals(NOT_PRESENT,
       const bool.fromEnvironment("dart.library.core ",
           defaultValue: NOT_PRESENT));
 
 }