add a wait for the tunnel

tes/sshwrapper/__init__.py

@@ -451,6 +451,12 @@ class Ssh:
         sess.port.update({authtok: localport})
         sess.pids.append(tunnel_p.pid)
         logger.debug('tunnel created with pid {}'.format(tunnel_p.pid))
+        try:
+            tunnel_p.wait(timeout=3)
+            (stdout,stderr) = tunnel_p.communicate()
+            logger.error('tunnel process exited {} {}'.format(stdout,stderr))
+        except subprocess.TimeoutExpired:
+            pass
         return localport, [tunnel_p.pid]
 
     # @staticmethod