Code review comment for lp:~vanvugt/unity/fix-1010348

Can we have unit test for this?

Btw if I remember correctly when you do nux::Color(0xaabbccdd) nux create a nux color with
red = 0xbb
green = 0xcc
blue = 0xdd
alpha = 0xaa

and *not*
red = 0xaa
green = 0xbb
blue = 0xcc
alpha = 0xdd