Split secure_server_client_certificate test in two, because of session cache.

tests/standalone/io/web_socket_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.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
 import "dart:async";
@@ skipping 232 matching lines @@
       });
 
       createClient(server.port).catchError((error) {
         server.close();
       });
     });
   }
 
 
   void testUsePOST() {
+    asyncStart();
     createServer().then((server) {
-      asyncStart();
       server.transform(new WebSocketTransformer()).listen((webSocket) {
         Expect.fail("No connection expected");
       }, onError: (e) {
         asyncEnd();
       });
 
       HttpClient client = new HttpClient();
       client.postUrl(Uri.parse(
           "${secure ? 'https:' : 'http:'}//$HOST_NAME:${server.port}/"))
         .then((request) => request.close())
@@ skipping 64 matching lines @@
               });
         });
       }
 
       for (int i = 0; i < totalConnections; i++) {
         webSocketConnection();
       }
     });
   }
 
-  testIndivitualUpgrade(int connections) {
+  testIndividualUpgrade(int connections) {
     createServer().then((server) {
       server.listen((request) {
           if (WebSocketTransformer.isUpgradeRequest(request)) {
             WebSocketTransformer.upgrade(request).then((webSocket) {
                 webSocket.listen((_) { webSocket.close(); });
                 webSocket.add("Hello");
             });
           } else {
             Expect.isFalse(WebSocketTransformer.isUpgradeRequest(request));
             request.response.statusCode = HttpStatus.OK;
@@ skipping 45 matching lines @@
     testMessageLength(127);
     testMessageLength(65535);
     testMessageLength(65536);
     testDoubleCloseClient();
     testDoubleCloseServer();
     testImmediateCloseServer();
     testImmediateCloseClient();
     testNoUpgrade();
     testUsePOST();
     testConnections(10, 3002, "Got tired");
-    testIndivitualUpgrade(5);
+    testIndividualUpgrade(5);
   }
 }
 
 
 void initializeSSL() {
   var testPkcertDatabase = join(dirname(Platform.script), 'pkcert');
   SecureSocket.initialize(database: testPkcertDatabase,
                           password: "dartdart");
 }
 
 
 main() {
+  asyncStart();
   new SecurityConfiguration(secure: false).runTests();
   initializeSSL();
   new SecurityConfiguration(secure: true).runTests();
+  asyncEnd();
 }