I was able to skip the two failing tests, too, and install Tk. A small app with a single button worked fine, but the app I needed to run uses PNG images and crashes with a SIGSEGV in the same way as the two tests. I have no idea how to fix that.
map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]