Move PEG parser test into testing framework.

utils/tests/peg/src/PegTest.dart

 // Copyright (c) 2011, 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('pegparser.dart');
+#import('../../../peg/pegparser.dart');
 
 testParens() {
   Grammar g = new Grammar();
   Symbol a = g['A'];
 
   a.def = ['(', MANY(a, min:0), ')', (a) => a];
 
   check(g, a, "", null);
   check(g, a, "()", '[]');
   check(g, a, "(()())", '[[],[]]');
@@ skipping 295 matching lines @@
   }
 
   var formatted = ast;
   if (expected is String)
     formatted = printList(ast);
 
   Expect.equals(expected, formatted, "parse: $input");
 }
 
 // Prints the list in [1,2,3] notation, including nested lists.
-void printList(item) {
+printList(item) {
   if (item is List) {
     StringBuffer sb = new StringBuffer();
     sb.add('[');
     var sep = '';
     for (var x in item) {
       sb.add(sep);
       sb.add(printList(x));
       sep = ',';
     }
     sb.add(']');
     return sb.toString();
   }
   if (item == null)
     return 'null';
   return item.toString();
 }
 
 main() {
   testCODE();
   testParens();
   testOR();
   testTEXT();
   testBlockComment();
   testC();
 }