tests: Add pki torture tests for keytypes.
tests: Add pki torture tests for keytypes.

elastichosts/libssh,jt1/honeypot-libssh,mwgoldsmith/libssh,Distrotech/libssh,nviennot/libssh,Distrotech/libssh,mwgoldsmith/libssh,kedazo/libssh,mwgoldsmith/ssh,robxu9/libssh,DouglasHeriot/libssh,DouglasHeriot/libssh,mwgoldsmith/libssh,pouete/libssh,taikoo/libssh,robxu9/libssh,sebadoom/libssh,taikoo/libssh,pouete/libssh,robxu9/libssh,jt1/honeypot-libssh,taikoo/libssh,elastichosts/libssh,mwgoldsmith/ssh,kedazo/libssh,sebadoom/libssh,nviennot/libssh,wangshawn/libssh,robxu9/libssh,bigcat26/libssh-mod,jt1/honeypot-libssh,sebadoom/libssh,wangshawn/libssh,nviennot/libssh,pouete/libssh,kedazo/libssh,jt1/honeypot-libssh,wangshawn/libssh,mwgoldsmith/libssh,bigcat26/libssh-mod,Distrotech/libssh,bigcat26/libssh-mod,elastichosts/libssh,DouglasHeriot/libssh,DouglasHeriot/libssh,nviennot/libssh,wangshawn/libssh,bigcat26/libssh-mod,pouete/libssh,kedazo/libssh,mwgoldsmith/ssh,taikoo/libssh,mwgoldsmith/ssh,Distrotech/libssh,sebadoom/libssh