Dart SDK Spelling b, c, and d.

tests/standalone/io/raw_secure_server_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
 // OtherResources=certificates/server_chain.pem
 // OtherResources=certificates/server_key.pem
@@ skipping 140 matching lines @@
 // This test creates a server and a client connects. The client then
 // writes and the server echos. When the server has finished its echo
 // it half-closes. When the client gets the close event is closes
 // fully.
 //
 // The test can be run in different configurations based on
 // the boolean arguments:
 //
 // listenSecure
 // When this argument is true a secure server is used. When this is false
-// a non-secure server is used and the connections are secured after beeing
+// a non-secure server is used and the connections are secured after being
 // connected.
 //
 // connectSecure
 // When this argument is true a secure client connection is used. When this
 // is false a non-secure client connection is used and the connection is
 // secured after being connected.
 //
 // handshakeBeforeSecure
 // When this argument is true some initial clear text handshake is done
 // between client and server before the connection is secured. This argument
@@ skipping 488 matching lines @@
       listenSecure: false,
       connectSecure: false,
       handshakeBeforeSecure: true,
       postponeSecure: true,
       dropReads: true);
   testPausedSecuringSubscription(false, false);
   testPausedSecuringSubscription(true, false);
   testPausedSecuringSubscription(false, true);
   testPausedSecuringSubscription(true, true);
 }