Tests should only exit on Esc; 'any key' makes them too easy to disappear when trying to analyze e.g. with xmag.
Tests should only exit on Esc; 'any key' makes them too easy to disappear when
trying to analyze e.g. with xmag.

gfxprim/gfxprim,gfxprim/gfxprim,gfxprim/gfxprim,gfxprim/gfxprim,gfxprim/gfxprim