Tools: helicopter autotest

Co-authored-by: Peter Barker <[email protected]>

Tools/autotest/helicopter.py

@@ -884,11 +884,8 @@ def AutoTune(self):
             self.progress("STATUSTEXT (%u<%u): %s" % (now, deadline, m.text))
             if "AutoTune: Success" in m.text:
                 self.progress("AUTOTUNE OK (%u seconds)" % (now - tstart))
-                self.set_rc(3, 1000)
-                self.wait_statustext("SIM Hit ground at")
+                self.land_and_disarm()
                 self.set_rc(8, 1000)
-                self.delay_sim_time(10)
-                self.disarm_vehicle()
                 continue
 
         # test pitch rate P and Rate D tuning