autotest: clean MotorVibration test for new infrastructure
autotest: clean VisionPosition test for new infrastructure
autotest: clean MotorFail test for new infrastructure
autotest: clean OpticalFlowLimits test for new infrastructure
autotest: tidy OpticalFlow test for new infrastructure
autotest: tidy SetModeViaModeSwitch test for new infrastructure
autotest: tidy SetModesViaAuxSwitch test for new infrastructure
autotest: tidy SplineLastWaypoint test for new infrastructure
autotest: tidy PIDNotches test for new infrastructure
autotest: tidy ThrottleGainBoost test for new infrastructure
autotest: tidy PrecisionLoiterCompanion test for new infrastructure
autotest: tidy BeaconPosition test for new infrastructure