Non-admin proposal flow uses Ability, not AdminAbility, so organizers and CFP users could edit proposals but could not create event commercials.
Closes#3143.
Signed-off-by: Mridankan Mandal <xerontitan90@gmail.com>
It constantly fails with "Mysql2::Error: This connection is in use by...".
Might be because of database cleaner? But until we can get this stable,
rip it out again.
Replaced by a matrix based on test type