From 65d0443c2688362896e222d9934f439acbe2e847 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Tue, 12 Mar 2019 09:14:33 +1100
Subject: [PATCH] Tools: autotest: drain mav either side of
 initialising-after-reboot

---
 Tools/autotest/common.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Tools/autotest/common.py b/Tools/autotest/common.py
index 6970e7c982..0e89201c37 100644
--- a/Tools/autotest/common.py
+++ b/Tools/autotest/common.py
@@ -303,12 +303,14 @@ class AutoTest(ABC):
         if streamrate <= 0:
             return
 
+        self.drain_mav()
         m = self.mav.recv_match(type='SYSTEM_TIME',
                                 blocking=True,
                                 timeout=10)
         print("Received (%s)" % str(m))
         if m is None:
             raise NotAchievedException("Did not get SYSTEM_TIME")
+        self.drain_mav()
 
     def initialise_after_reboot_sitl(self):