add more logs to follow erp5testnode work

erp5/util/testnode/testnode.py

@@ -306,6 +306,8 @@ branch = %(branch)s
           test_suite_portal = taskdistribution.TaskDistributor(portal_url, logger=DummyLogger(log))
           test_suite_json =  test_suite_portal.startTestSuite(config['test_node_title'])
           test_suite_data = json.loads(test_suite_json)
+          log("Got following test suite data from master : %r" % \
+              (test_suite_data,))
           #Clean-up test suites
           self.checkOldTestSuite(test_suite_data)
           for test_suite in test_suite_data:
@@ -378,7 +380,9 @@ branch = %(branch)s
             log("erp5testnode exception", exc_info=sys.exc_info())
             raise
         if (now-begin) < 120:
-          time.sleep(120 - (now-begin))
+          sleep_time = 120 - (now-begin)
+          log("End of processing, going to sleep %s" % sleep_time)
+          time.sleep(sleep_time)
     finally:
       # Nice way to kill *everything* generated by run process -- process
       # groups working only in POSIX compilant systems