docs: function getBillFixtures() {
    return [
      {
        amount: 20.09,
        date: '2017-12-12T23:00:00.000Z',
        vendor: 'Free Mobile',
        type: 'phone',
        fileurl:
          'https://mobile.free.fr/moncompte/index.php?page=suiviconso&action=getFacture&format=dl&l=14730097&id=7c7dfbfc8707b75fb478f68a50b42fc6&date=20171213&multi=0',
        filename: '201712_freemobile.pdf'
      },
      {
        amount: 20.03,
        date: '2018-01-12T23:00:00.000Z',
        vendor: 'Free Mobile',
        type: 'phone',
        fileurl:
          'https://mobile.free.fr/moncompte/index.php?page=suiviconso&action=getFacture&format=dl&l=14730097&id=29654a01acee829ccf09596cf856ac1d&date=20180113&multi=0',
        filename: '201801_freemobile.pdf'
      },
      {
        amount: 20.39,
        date: '2017-01-12T23:00:00.000Z',
        vendor: 'Free Mobile',
        type: 'phone',
        fileurl:
          'https://mobile.free.fr/moncompte/index.php?page=suiviconso&action=getFacture&format=dl&l=14730097&id=0ca5e5537786bc548a87a89eba2a804a&date=20170113&multi=0',
        filename: '201701_freemobile.pdf'
      },
      {
        amount: 49.32,
        date: '2018-03-03T23:00:00.000Z',
        vendor: 'Free Mobile',
        type: 'phone',
        filestream: 'mock stream',
        filename: '201701_freemobile.pdf'
      }
    ]
  }