Before:
call ale#assert#SetUpLinterTest('haskell', 'ghc')
After:
call ale#assert#TearDownLinterTest()
Execute(The options should be used in the command):
AssertLinter 'ghc', 'ghc -fno-code -v0 %t'
let b:ale_haskell_ghc_options = 'foobar'
AssertLinter 'ghc', 'ghc foobar %t'