Clean up:

test/util.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.
 
 library markdown.test.utils;
 
 import 'package:unittest/unittest.dart';
 
 import 'package:markdown/markdown.dart';
 
@@ skipping 18 matching lines @@
     } else {
       lines[j] = '';
     }
   }
 
   return lines.join('\n');
 }
 
 void validate(String description, String markdown, String html,
     {List<InlineSyntax> inlineSyntaxes,
-    Resolver linkResolver, Resolver imageLinkResolver,
+    Resolver linkResolver,
+    Resolver imageLinkResolver,
     bool inlineOnly: false}) {
   test(description, () {
     markdown = cleanUpLiteral(markdown);
     html = cleanUpLiteral(html);
 
     var result = markdownToHtml(markdown,
         inlineSyntaxes: inlineSyntaxes,
         linkResolver: linkResolver,
         imageLinkResolver: imageLinkResolver,
         inlineOnly: inlineOnly);
@@ skipping 35 matching lines @@
 
     // If one string runs out of non-ignored strings, the other must too.
     if (i == a.length) return j == b.length;
     if (j == b.length) return i == a.length;
 
     if (a[i] != b[j]) return false;
     i++;
     j++;
   }
 }