Try to make testExceptions more predictable

3 jobs for adinapoli/issue-198-part-2 in 10 minutes and 48 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Stack
passed #8030
stack

00:00:41

 
  Cabal
passed #8031
cabal

00:07:09

 
  Test
passed #8032
test

00:02:57