updated test user names to match new length requirement
updated test user names to match new length requirement

PaulVanSchayck/irods,janiheikkinen/irods,janiheikkinen/irods,PaulVanSchayck/irods,PaulVanSchayck/irods,janiheikkinen/irods,janiheikkinen/irods,PaulVanSchayck/irods,janiheikkinen/irods,leesab/irods,leesab/irods,janiheikkinen/irods,PaulVanSchayck/irods,leesab/irods,janiheikkinen/irods,leesab/irods,janiheikkinen/irods,leesab/irods,janiheikkinen/irods,leesab/irods,PaulVanSchayck/irods,PaulVanSchayck/irods,PaulVanSchayck/irods,leesab/irods,PaulVanSchayck/irods