Format all tests.

tests/lib_strong/html/websocket_test.dart

 library WebSocketTest;
+
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_individual_config.dart';
 import 'dart:html';
 
 main() {
-
   useHtmlIndividualConfiguration();
 
   group('supported', () {
     test('supported', () {
       expect(WebSocket.supported, true);
     });
   });
 
   group('websocket', () {
     var isWebSocket = predicate((x) => x is WebSocket, 'is a WebSocket');
     var expectation = WebSocket.supported ? returnsNormally : throws;
 
     test('constructorTest', () {
       expect(() {
         var socket = new WebSocket('ws://localhost/ws', 'chat');
         expect(socket, isNotNull);
         expect(socket, isWebSocket);
-        }, expectation);
+      }, expectation);
     });
 
     if (WebSocket.supported) {
       test('echo', () {
         var socket = new WebSocket('ws://${window.location.host}/ws');
 
         socket.onOpen.first.then((_) {
           socket.send('hello!');
         });
 
         return socket.onMessage.first.then((MessageEvent e) {
           expect(e.data, 'hello!');
           socket.close();
         });
       });
 
       test('error handling', () {
         var socket = new WebSocket('ws://${window.location.host}/ws');
         socket.onOpen.first.then((_) => socket.send('close-with-error'));
         return socket.onError.first.then((e) {
           print('$e was caught, yay!');
           socket.close();
         });
       });
     }
   });
 }