Fixes Ilegal chunk encoding by the test_client

test_client sends a wrong size indication when testing
chunked data.
For example instead of sending:
   5\r\nabcde\r\n (which is inline with the standard)
The client would send:
   0x5\r\nabcde\r\n

On branch bp/wsgi-application-interface-2
  modified:   test/functional/swift_test_client.py

Change-Id: I7597dcd24adade009aead66f67674f361f3fe4fa
Fixes: Bug #1070036
Implements: Blueprint wsgi-application-interface

test/functional/swift_test_client.py

@@ -280,7 +280,7 @@ class Connection(object):
 
     def put_data(self, data, chunked=False):
         if chunked:
-            self.connection.send('%s\r\n%s\r\n' % (hex(len(data)), data))
+            self.connection.send('%x\r\n%s\r\n' % (len(data), data))
         else:
             self.connection.send(data)