Execute (Parsing English signs should work):
  AssertEqual
  \ [0, [[9, 1000001, 'ALEWarningSign']]],
  \ ale#sign#ParseSigns([
  \   'Signs for app.js:',
  \   '    line=9  id=1000001  name=ALEWarningSign',
  \ ])

Execute (Parsing Russian signs should work):
  AssertEqual
  \ [0, [[1, 1000001, 'ALEErrorSign']]],
  \ ale#sign#ParseSigns(['    строка=1  id=1000001  имя=ALEErrorSign'])

Execute (Parsing Japanese signs should work):
  AssertEqual
  \ [0, [[1, 1000001, 'ALEWarningSign']]],
  \ ale#sign#ParseSigns(['    行=1  識別子=1000001  名前=ALEWarningSign'])

Execute (Parsing Spanish signs should work):
  AssertEqual
  \ [0, [[12, 1000001, 'ALEWarningSign']]],
  \ ale#sign#ParseSigns(['    línea=12 id=1000001 nombre=ALEWarningSign'])

Execute (Parsing Italian signs should work):
  AssertEqual
  \ [0, [[1, 1000001, 'ALEWarningSign']]],
  \ ale#sign#ParseSigns(['    riga=1 id=1000001, nome=ALEWarningSign'])
  \
Execute (The sign parser should indicate if the dummy sign is set):
  AssertEqual
  \ [1, [[1, 1000001, 'ALEErrorSign']]],
  \ ale#sign#ParseSigns([
  \   '    строка=1  id=1000001  имя=ALEErrorSign',
  \   '    line=1  id=1000000  name=ALEDummySign',
  \ ])