Tools: apmrover2.py: add a test for MAV_CMD_DO_GET_BANNER

Tools/autotest/apmrover2.py

@@ -98,6 +98,11 @@ def drive_mission(mavproxy, mav, filename):
     print("Mission OK")
     return True
 
+def do_get_banner(mavproxy, mav):
+    mavproxy.send("long DO_SEND_BANNER 1\n")
+    mavproxy.expect("APM:Rover")
+    return True;
+
 vinfo = vehicleinfo.VehicleInfo()
 
 def drive_APMrover2(binary, viewerip=None, use_map=False, valgrind=False, gdb=False, frame=None, params=None, gdbserver=False, speedup=10):
@@ -202,6 +207,12 @@ def drive_APMrover2(binary, viewerip=None, use_map=False, valgrind=False, gdb=Fa
 #        if not drive_RTL(mavproxy, mav):
 #            print("Failed RTL")
 #            failed = True
+
+        # do not move this to be the first test.  MAVProxy's dedupe
+        # function may bite you.
+        print("Getting banner")
+        if not do_get_banner(mavproxy, mav):
+            failed = True
     except pexpect.TIMEOUT as e:
         print("Failed with timeout")
         failed = True