ale/test/linter/test_haskell_ghc_mod.vader

Before:
  call ale#assert#SetUpLinterTest('haskell', 'ghc_mod')

After:
  call ale#assert#TearDownLinterTest()

Execute(Default should use ghc-mod):
  AssertLinter
  \ 'ghc-mod',
  \ ale#Escape('ghc-mod') . ' --map-file %s=%t check %s'