Before:
  runtime ale_linters/avra/avra.vim

After:
  call ale#linter#Reset()

Execute(The avra handler should parse errors correctly):
  AssertEqual
  \ [
  \   {
  \     'lnum': 3,
  \     'text': "Unknown device: atmega3228p",
  \     'type': 'E'
  \   },
  \   {
  \     'lnum': 12,
  \     'text': "Unknown directive: .EQ",
  \     'type': 'E'
  \   }
  \ ],
  \ ale_linters#avra#avra#Handle(bufnr(''), [
  \   "main.asm(3) : Error   : Unknown device: atmega3228p",
  \   "main.asm(12) : Error   : Unknown directive: .EQ"
  \ ])