WebSocket header continuations test case.

net/data/websocket/header-continuation_wsh.py

Index: net/data/websocket/header-continuation_wsh.py
diff --git a/net/data/websocket/trailing-whitespace_wsh.py b/net/data/websocket/header-continuation_wsh.py
similarity index 71%
copy from net/data/websocket/trailing-whitespace_wsh.py
copy to net/data/websocket/header-continuation_wsh.py
index 1e6515559c3f457d63e0ed689da3b9561e5f939f..d4a94f2adb68701c944ef403ce078fae6b05861e 100644
--- a/net/data/websocket/trailing-whitespace_wsh.py
+++ b/net/data/websocket/header-continuation_wsh.py
@@ -2,9 +2,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
-# The purpose of this test is to verify that the WebSocket handshake correctly
-# ignores trailing whitespace on response headers.
-# It is used by test case WebSocketEndToEndTest.TrailingWhitespace.
+# The purpose of this test is to verify that WebSocket supports header
+# continuations, as deprecated in RFC7230 section 3.2.4.
+# It is used by test case WebSocketEndToEndTest.HeaderContinuations.
 
 from mod_pywebsocket import handshake
 from mod_pywebsocket.handshake.hybi import compute_accept
@@ -16,7 +16,8 @@ def web_socket_do_extra_handshake(request):
              'Upgrade: websocket\r\n'
              'Connection: Upgrade\r\n'
              'Sec-WebSocket-Accept: %s\r\n'
-             'Sec-WebSocket-Protocol: sip \r\n'
+             'Sec-WebSocket-Extensions: permessage-deflate;\r\n'
+             '  server_max_window_bits=10\r\n'
              '\r\n' % accept)
   request.connection.write(message)
   # Prevent pywebsocket from sending its own handshake message.