WiFi test cleanups

server/site_linux_router.py

Index: server/site_linux_router.py
diff --git a/server/site_linux_router.py b/server/site_linux_router.py
index f3f5e38c953ff26f259d19a3b35c4b4f9f2a4c78..4c00c6aa5bb8babcecfb612f98433b8efcc06524 100644
--- a/server/site_linux_router.py
+++ b/server/site_linux_router.py
@@ -2,6 +2,12 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import re
+
+def isLinuxRouter(router):
+    router_uname = router.run('uname').stdout
+    return re.search('Linux', router_uname)
+
 class LinuxRouter(object):
     """
     Linux/mac80211-style WiFi Router support for WiFiTest class.