Roll Observatory deps (charted -> ^0.3.0)

packages/collection/test/wrapper_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.
 
 /// Tests wrapper utilities.
 
 import "dart:collection";
 import "package:collection/collection.dart";
 import "package:test/test.dart";
 
@@ skipping 129 matching lines @@
 void main() {
   testIterable(var expect) {
     expect.any(func1).equals.any(func1);
     expect.contains(val).equals.contains(val);
     expect.elementAt(0).equals.elementAt(0);
     expect.every(func1).equals.every(func1);
     expect.expand(func1).equals.expand(func1);
     expect.first.equals.first;
     // Default values of the Iterable interface will be added in the
     // second call to firstWhere, so we must record them in our
-    // expectation (which doesn't have the interface implementat or
+    // expectation (which doesn't have the interface implemented or
     // its default values).
     expect.firstWhere(func1, orElse: null).equals.firstWhere(func1);
     expect.firstWhere(func1, orElse: func0).equals.
            firstWhere(func1, orElse: func0);
     expect.fold(null, func2).equals.fold(null, func2);
     expect.forEach(func1).equals.forEach(func1);
     expect.isEmpty.equals.isEmpty;
     expect.isNotEmpty.equals.isNotEmpty;
     expect.iterator.equals.iterator;
     expect.join('').equals.join();
@@ skipping 494 matching lines @@
 
     test(".retainWhere", () {
       map["f"] = "foo";
       map["b"] = "bar";
       map["q"] = "qoo";
       set.retainWhere((element) => element.endsWith("o"));
       expect(map, equals({"f": "foo", "q": "qoo"}));
     });
   });
 }