testing potential px4 support #25

Job	Run time
test (ardupilot, test_arm)	1m 7s
test (ardupilot, test_change_mode)	1m 19s
test (ardupilot, test_takeoff)	1m 20s
test (ardupilot, test_set_speed)	1m 16s
test (ardupilot, test_set_yaw)	1m 19s
test (ardupilot, test_upload_waypoints)	39s
test (px4, test_arm)	1m 12s
test (px4, test_change_mode)	1m 9s
test (px4, test_takeoff)	23s
test (px4, test_set_speed)	1m 53s
test (px4, test_set_yaw)	2m 21s
test (px4, test_upload_waypoints)	44s
	14m 42s

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