Before:
  Save g:ale_bib_bibclean_executable
  Save g:ale_bib_bibclean_options

  let g:ale_bib_bibclean_executable = 'xxxinvalid'
  let g:ale_bib_bibclean_options = '-align-equals'

  call ale#test#SetDirectory('/testplugin/test/fixers')

After:
  Restore
  call ale#test#RestoreDirectory()

Execute(The bibclean callback should return the correct default values):
  call ale#test#SetFilename('../command_callback/bib_paths/dummy.bib')

  AssertEqual
  \ {'command': ale#Escape(g:ale_bib_bibclean_executable) . ' -align-equals'},
  \ ale#fixers#bibclean#Fix(bufnr(''))

Execute(The bibclean callback should include custom bibclean options):
  let g:ale_bib_bibclean_options = '-author -check-values'
  call ale#test#SetFilename('../command_callback/bib_paths/dummy.bib')

  AssertEqual
  \ {
  \   'command': ale#Escape(g:ale_bib_bibclean_executable) . ' -author -check-values'
  \ },
  \ ale#fixers#bibclean#Fix(bufnr(''))