Restructure pkg/unittest and pkg/webdriver to follow the pub conventions.

tests/isolate/message2_test.dart

 // Copyright (c) 2012, 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.
 
 // Dart test program for testing serialization of messages.
 // VMOptions=--enable_type_checks --enable_asserts
 
-#library('Message2Test');
-#import("dart:isolate");
-
-#import('../../pkg/unittest/unittest.dart');
+library Message2Test;
+import 'dart:isolate';
+import '../../pkg/unittest/lib/unittest.dart';
 
 // ---------------------------------------------------------------------------
 // Message passing test 2.
 // ---------------------------------------------------------------------------
 
 class MessageTest {
   static void mapEqualsDeep(Map expected, Map actual) {
-    Expect.equals(true, expected is Map);
-    Expect.equals(true, actual is Map);
-    Expect.equals(expected.length, actual.length);
+    expect(expected, isMap);
+    expect(actual, isMap);
+    expect(actual.length, expected.length);
     testForEachMap(key, value) {
       if (value is List) {
         listEqualsDeep(value, actual[key]);
       } else {
-        Expect.equals(value, actual[key]);
+        expect(actual[key], value);
       }
     }
     expected.forEach(testForEachMap);
   }
 
   static void listEqualsDeep(List expected, List actual) {
     for (int i = 0; i < expected.length; i++) {
       if (expected[i] is List) {
         listEqualsDeep(expected[i], actual[i]);
       } else if (expected[i] is Map) {
         mapEqualsDeep(expected[i], actual[i]);
       } else {
-        Expect.equals(expected[i], actual[i]);
+        expect(actual[i], expected[i]);
       }
     }
   }
 }
 
 void pingPong() {
   port.receive((var message, SendPort replyTo) {
     if (message == -1) {
       port.close();
     } else {
@@ skipping 11 matching lines @@
     m[1] = "eins";
     m[2] = "deux";
     m[3] = "tre";
     m[4] = "four";
     remote.call(m).then(expectAsync1((var received) {
       MessageTest.mapEqualsDeep(m, received);
       remote.send(-1, null);
     }));
   });
 }