There must be no self-intersections for attribute attr

@param context: The behave context

@param inst: The entity instance being validated

@param path: The subset of vertices taken from a global list where the vertices describe a face

@param attr: The attribute on :inst: that contains the geometry to be validated

Usages:

• Then There must be no self-intersections for attribute CoordIndex

  ( ⚠ TAS001 Polygonal face boundary no self intersections - v2) (disabled):14

• Then There must be no self-intersections for attribute InnerCoordIndices

  ( ⚠ TAS001 Polygonal face boundary no self intersections - v2) (disabled):22