tests: Check the effects of rotating a 2D matrix
tests: Check the effects of rotating a 2D matrix

Rotating a 2D matrix on the Z axis should not result in a non-affine
transformation; conversely, rotating the same matrix on the Y axis
should result in a non-affine transformation.

Let's test both assumptions.

criptych/graphene,criptych/graphene,criptych/graphene,criptych/graphene,ebassi/graphene,ebassi/graphene