mathlib_SUITE: call unittest_helper:init_per_suite
mathlib_SUITE: call unittest_helper:init_per_suite

- util:shuffle/1 failed for R13 because randoms:start/0 was not called before

git-svn-id: d89f83fc72fb49d2f5b112dfb73cea192610bdff@4009 71766da9-9752-0410-ab17-bfafa751c56a

fredrikelinder/scalaris,fredrikelinder/scalaris,fredrikelinder/scalaris,fredrikelinder/scalaris,fredrikelinder/scalaris,fredrikelinder/scalaris