test renaming overhaul: step 4 client tests

tests/json/json_test.dart

 // Copyright (c) 2011, 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('json_tests');
 
 #import('dart:json');
 #import('dart:html');
-#import('../../../../lib/unittest/unittest.dart');
-#import('../../../../lib/unittest/html_config.dart');
+#import('../../lib/unittest/unittest.dart');
+#import('../../lib/unittest/html_config.dart');
 
 main() {
   useHtmlConfiguration();
   test('Parse', () {
     // Scalars.
     expect(JSON.parse(' 5 ')).equals(5);
     expect(JSON.parse(' -42 ')).equals(-42);
     expect(JSON.parse(' 3e0 ')).equals(3);
     expect(JSON.parse(' 3.14 ')).equals(3.14);
     expect(JSON.parse('true ')).equals(true);
@@ skipping 141 matching lines @@
 
 expectIsContained(Map expected, Map actual,
     [String message = '', bool checkValues = true]) {
   for (final key in expected.getKeys()) {
     expect(actual.containsKey(key)).equals(true);
     if (checkValues) {
       expectValueEquals(expected[key], actual[key],'at key ${key} ${message}');
     }
   }
 }