remove polymer expressions from the repo

pkg/polymer_expressions/test/globals_test.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.
-
-import 'dart:async';
-import 'dart:html';
-
-import 'package:observe/observe.dart';
-import 'package:observe/mirrors_used.dart'; // make test smaller.
-import 'package:polymer_expressions/polymer_expressions.dart';
-import 'package:template_binding/template_binding.dart';
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
-
-main() {
-  useHtmlConfiguration();
-
-  var testDiv;
-  group('enumerate', () {
-    setUp(() {
-      testDiv = new Element.html('''
-          <div id="test">
-            <template bind>
-              <template repeat="{{entry in this | enumerate}}">
-                <div>Item {{ entry.index }} is {{ entry.value }}</div>
-              </template>
-            </template>
-          </div>''');
-      TemplateBindExtension.bootstrap(testDiv);
-      document.body.nodes.add(testDiv);
-    });
-
-    tearDown(() {
-      testDiv.remove();
-      testDiv = null;
-    });
-
-    test('should enumerate item and index', () {
-      templateBind(testDiv.query('template'))
-          ..bindingDelegate = new PolymerExpressions()
-          ..model = toObservable(
-              ['hello', 'from', 'polymer', 'expressions']);
-
-      return new Future(() {
-        expect(testDiv.queryAll('div').map((n) => n.text), [
-          'Item 0 is hello',
-          'Item 1 is from',
-          'Item 2 is polymer',
-          'Item 3 is expressions',
-        ]);
-      });
-    });
-
-    test('should update after changes', () {
-      var model = toObservable(
-              ['hello', 'from', 'polymer', 'expressions', 'a', 'b', 'c']);
-
-      templateBind(testDiv.query('template'))
-          ..bindingDelegate = new PolymerExpressions()
-          ..model = model;
-
-      return new Future(() {
-        expect(testDiv.queryAll('div').map((n) => n.text), [
-          'Item 0 is hello',
-          'Item 1 is from',
-          'Item 2 is polymer',
-          'Item 3 is expressions',
-          'Item 4 is a',
-          'Item 5 is b',
-          'Item 6 is c',
-        ]);
-
-        model.removeAt(1);
-        model[1] = 'world';
-        model[2] = '!';
-        model.insert(5, 'e');
-
-        return new Future(() {
-          expect(testDiv.queryAll('div').map((n) => n.text), [
-            'Item 0 is hello',
-            'Item 1 is world',
-            'Item 2 is !',
-            'Item 3 is a',
-            'Item 4 is b',
-            'Item 5 is e',
-            'Item 6 is c',
-          ]);
-        });
-      });
-    });
-  });
-}