[polymer] skip linter in tests

pkg/polymer/lib/transformer.dart

 // Copyright (c) 2013, 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.
 
 /// Transfomer used for pub-serve and pub-deploy.
 library polymer.transformer;
 
 import 'package:barback/barback.dart';
 import 'package:observe/transformer.dart';
 
@@ skipping 48 matching lines @@
   } else {
     error = true;
   }
   if (error) {
     print('Invalid value for "entry_points" in the polymer transformer.');
   }
   return entryPoints;
 }
 
 /// Create deploy phases for Polymer. Note that inlining HTML Imports
-/// comes first (other than linter), which allows the rest of the
-/// HTML-processing phases to operate only on HTML that is actually imported.
+/// comes first (other than linter, if [options.linter] is enabled), which
+/// allows the rest of the HTML-processing phases to operate only on HTML that
+/// is actually imported.
 List<List<Transformer>> _createDeployPhases(TransformOptions options) {
-  return [
-    [new Linter(options)],
+  var phases = options.lint ? [[new Linter(options)]] : [];
+  return phases..addAll([
     [new ImportInliner(options)],
     [new ObservableTransformer()],
     [new ScriptCompactor(options)],
     [new PolyfillInjector(options)],
     [new BuildFilter(options)]
-  ];
+  ]);
 }