It was added when refactoring the SHAPE_POLY_SET class, ande replace any use of CPolyLine class inside Kicad code.
the CPolyLine related code is now not used.
So this test nowadays makes no longer sense.
Adds BOOST tests to the qa folder included in the geometry subdirectory.
The tests check whether the refactored code is consistent with the
legacy code. They also check some of the new code, as the family of
ITERATOR classes.