TextToStuffColorMismatchTest - Test if text is drawn
in the color it was requested to be drawn.
In the past, this demonstrated a bug in the OSX CoreText renderer,
as used in released PTB versions far in the past. Nowadays nobody gives
a crap about Apples crap anymore and we use our own OS independent plugin
text renderer by default, so this is what we test.
16-Jun-2015 mk Derived from code provided by user shandelman116.
14-Jul-2015 mk Adapt to new situation that renderer 0 == CoreText on OSX.
14-Nov-2021 mk Throw out a lot of pointless code for the year 2021.