[package:mdv] port createInstance change

pkg/mdv/test/binding_syntax_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.
 
 library binding_syntax_test;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:html';
 import 'package:mdv/mdv.dart' as mdv;
@@ skipping 97 matching lines @@
         [template, model[0]],
         [template, model[1]],
         [template, model[2]],
       ]);
 
     } finally {
       TemplateElement.syntax.remove('Test');
     }
   });
 
-  // Note: this test was original, not a port of an existing test.
-  test('getInstanceFragment', () {
-    var model = toSymbolMap({'foo': 'bar'});
-
-    var testSyntax = new WhitespaceRemover();
-    TemplateElement.syntax['Test'] = testSyntax;
-    try {
-      var div = createTestHtml(
-          '''<template bind syntax="Test">
-            {{ foo }}
-            <template bind>
-              {{ foo }}
-            </template>
-          </template>''');
-
-      recursivelySetTemplateModel(div, model);
-      deliverChangeRecords();
-
-      expect(testSyntax.trimmed, 2);
-      expect(testSyntax.removed, 1);
-
-      expect(div.nodes.length, 4);
-      expect(div.nodes.last.text, 'bar');
-      expect(div.nodes[2].tagName, 'TEMPLATE');
-      expect(div.nodes[2].attributes['syntax'], 'Test');
-
-    } finally {
-      TemplateElement.syntax.remove('Test');
-    }
-  });
-
   test('Basic', () {
     var model = toSymbolMap({'foo': 2, 'bar': 4});
 
     TemplateElement.syntax['2x'] = new TimesTwoSyntax();
 
     var div = createTestHtml(
         '<template bind syntax="2x">'
         '{{ foo }} + {{ 2x: bar }} + {{ 4x: bar }}</template>');
     recursivelySetTemplateModel(div, model);
     deliverChangeRecords();
@@ skipping 96 matching lines @@
 class TimesTwoSyntax extends CustomBindingSyntax {
   getBinding(model, path, name, node) {
     path = path.trim();
     if (!path.startsWith('2x:')) return null;
 
     path = path.substring(3);
     return new CompoundBinding((values) => values['value'] * 2)
         ..bind('value', model, path);
   }
 }