Verify the basic capability to handle the 'path' element, and its data attribute (d) in combination with the straight-line path commands. Two pairs of concentric equilateral triangles are drawn using respectively M,L,Z and m,l,z. The shapes are identical, with one stroked and one filled. The fill-mode default of "even-odd" means that the inner triangle is hollow.
Run the test. No interaction required.
The rendered picture should match the reference image exactly