[py] urllib throws on 404 so let's check the /status endpoint that returns 200

Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/SeleniumHQ/selenium
Cr-Mirrored-Commit: c746d7a14183fc920a3ed41e2a834a55888fba5c
diff --git a/conftest.py b/conftest.py
index b6882cd..5090310 100644
--- a/conftest.py
+++ b/conftest.py
@@ -198,13 +198,12 @@
             try:
                 urlopen(url)
                 return 1
-            except IOError as e:
-                print(e)
+            except IOError:
                 time.sleep(0.2)
         return 0
 
     _socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-    url = 'http://{}:{}/'.format(_host, _port)
+    url = 'http://{}:{}/status'.format(_host, _port)
     try:
         _socket.connect((_host, _port))
         print('The remote driver server is already running or something else'