pkg/shelf: formatted code

test/message_change_test.dart

 // Copyright (c) 2014, 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 shelf.message_change_test;
 
 import 'package:unittest/unittest.dart';
 
 import 'package:shelf/shelf.dart';
 import 'package:shelf/src/message.dart';
 
 import 'test_util.dart';
 
 void main() {
   group('Request', () {
     _testChange(({headers, context}) {
-      return new Request('GET', LOCALHOST_URI, headers: headers,
-          context: context);
+      return new Request('GET', LOCALHOST_URI,
+          headers: headers, context: context);
     });
   });
 
   group('Response', () {
     _testChange(({headers, context}) {
-      return new Response.ok(null, headers: headers,
-          context: context);
+      return new Response.ok(null, headers: headers, context: context);
     });
   });
 }
 
 /// Shared test method used by [Request] and [Response] tests to validate
 /// the behavior of `change` with different `headers` and `context` values.
-void _testChange(Message factory({Map<String, String> headers,
-  Map<String, Object> context})) {
+void _testChange(Message factory(
+    {Map<String, String> headers, Map<String, Object> context})) {
   test('with empty headers returns indentical instance', () {
     var request = factory(headers: {'header1': 'header value 1'});
     var copy = request.change(headers: {});
 
     expect(copy.headers, same(request.headers));
   });
 
   test('with empty context returns identical instance', () {
     var request = factory(context: {'context1': 'context value 1'});
     var copy = request.change(context: {});
 
     expect(copy.context, same(request.context));
   });
 
   test('new header values are added', () {
-    var request = factory(headers: {'test':'test value'});
+    var request = factory(headers: {'test': 'test value'});
     var copy = request.change(headers: {'test2': 'test2 value'});
 
-    expect(copy.headers, {'test':'test value', 'test2':'test2 value'});
+    expect(copy.headers, {'test': 'test value', 'test2': 'test2 value'});
   });
 
   test('existing header values are overwritten', () {
-    var request = factory(headers: {'test':'test value'});
+    var request = factory(headers: {'test': 'test value'});
     var copy = request.change(headers: {'test': 'new test value'});
 
-    expect(copy.headers, {'test':'new test value'});
+    expect(copy.headers, {'test': 'new test value'});
   });
 
   test('new context values are added', () {
-    var request = factory(context: {'test':'test value'});
+    var request = factory(context: {'test': 'test value'});
     var copy = request.change(context: {'test2': 'test2 value'});
 
-    expect(copy.context, {'test':'test value', 'test2':'test2 value'});
+    expect(copy.context, {'test': 'test value', 'test2': 'test2 value'});
   });
 
   test('existing context values are overwritten', () {
-    var request = factory(context: {'test':'test value'});
+    var request = factory(context: {'test': 'test value'});
     var copy = request.change(context: {'test': 'new test value'});
 
-    expect(copy.context, {'test':'new test value'});
+    expect(copy.context, {'test': 'new test value'});
   });
 }