making the functional tests a bit more permissive

Makefile

@@ -33,7 +33,7 @@ unit: prepare lint
 
 functional: prepare
 	@echo "Running functional tests ..."
-	@nosetests --rednose -x --with-randomly --with-coverage --cover-package=httpretty -s tests/functional
+	@nosetests --rednose -x --with-coverage --cover-package=httpretty -s tests/functional
 
 acceptance: prepare
 	@echo "Running documentation tests tests ..."

tests/functional/testserver.py

@@ -43,6 +43,7 @@
 from tornado.httpserver import HTTPServer
 from tornado.ioloop import IOLoop
 from httpretty import HTTPretty
+from httpretty.core import old_socket as true_socket
 
 from multiprocessing import Process
 
@@ -61,8 +62,6 @@ def utf8(s):
 
     return byte_type(s)
 
-true_socket = socket.socket
-
 PY3 = sys.version_info[0] == 3
 
 if not PY3:
@@ -94,22 +93,24 @@ def get_handlers(cls):
         ])
 
     def start(self):
-        HTTPretty.disable()
-
         def go(app, port, data={}):
             from httpretty import HTTPretty
             HTTPretty.disable()
+
             http = HTTPServer(app)
+            HTTPretty.disable()
+
             http.listen(int(port))
             IOLoop.instance().start()
 
         app = self.get_handlers()
 
         data = {}
         args = (app, self.port, data)
+        HTTPretty.disable()
         self.process = Process(target=go, args=args)
         self.process.start()
-        time.sleep(0.4)
+        time.sleep(1)
 
     def stop(self):
         try:
@@ -145,7 +146,7 @@ def go(port):
         args = [self.port]
         self.process = Process(target=go, args=args)
         self.process.start()
-        time.sleep(0.4)
+        time.sleep(1)
 
     def stop(self):
         try: