Feature/ci master fix #397

Job	Run time
build (base)	9m 12s
build-gcc-heli	10m 26s
build (clang)	7m 56s
autotest (sitltest-copter-tests1a)	17m 59s
autotest (sitltest-copter-tests1b)	17m 8s
autotest (sitltest-copter-tests1c)	21m 58s
autotest (sitltest-copter-tests1d)	19m 47s
autotest (sitltest-copter-tests1e)	19m 51s
autotest (sitltest-copter-tests2a)	16m 49s
autotest (sitltest-copter-tests2b)	38m 49s
autotest-heli (sitltest-heli)	15m 19s
	3h 15m 14s

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