Tools: TestAutotune.py: Fix undefined name VehicleType
__VehicleType__ is used on line 58 but is never defined or imported.
Tools: TestPerformance.py: Fix undefined name VehicleType
__VehicleType__ is used on line 19 but is never defined or imported.
Tools: TestParams.py: Fix undefine name VehicleType
__VehicleType__ is used on line 21 but is never defined or imported.
Tools: TestThrust.py: Fix undefine name VehicleType
__VehicleType__ is used on line 19 but is never defined or imported.
Tools: TestVibration.py: Fix undefined name VehicleType
__VehicleType__ is used on line 21 but is never defined or imported.