Before:
let g:success = 0
let g:ale_run_synchronously = 1
After:
let g:ale_run_synchronously = 0
let g:ale_buffer_info = {}
augroup! VaderTest
Execute (Run a lint cycle, and check that a variable is set in the autocmd):
augroup VaderTest
autocmd!
autocmd User ALELint let g:success = 1
augroup end
call ale#Lint()
AssertEqual g:success, 1