Report more heuristics for tests that require manual work.

tools/migration/lib/src/log.dart

 // Copyright (c) 2017, 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 'dart:io';
 
 final _cyan = _getSpecial('\u001b[36m');
 final _green = _getSpecial('\u001b[32m');
 final _magenta = _getSpecial('\u001b[35m');
 final _red = _getSpecial('\u001b[31m');
 final _yellow = _getSpecial('\u001b[33m');
 final _blue = _getSpecial('\u001b[34m');
 final _gray = _getSpecial('\u001b[1;30m');
 final _none = _getSpecial('\u001b[0m');
 final _noColor = _getSpecial('\u001b[39m');
 final _bold = _getSpecial('\u001b[1m');
 
 void done(Object message) {
   print("  ${green('(DONE)')} $message");
 }
 
 void note(Object message) {
   print("  ${cyan('(NOTE)')} $message");
 }
 
 void todo(Object message) {
-  print("${red('(TODO)')} $message");
+  print("  ${red('(TODO)')} $message");
 }
 
 String bold(text) => "$_bold$text$_none";
 
 String cyan(text) => "$_cyan$text$_noColor";
 
 String green(text) => "$_green$text$_noColor";
 
 String red(text) => "$_red$text$_noColor";
 
 /// Gets a "special" string (ANSI escape or Unicode).
 ///
 /// On Windows or when not printing to a terminal, returns something else since
 /// those aren't supported.
 String _getSpecial(String special, [String onWindows = '']) {
   if (Platform.operatingSystem == 'windows' ||
       stdioType(stdout) != StdioType.TERMINAL) {
     return onWindows;
   }
 
   return special;
 }