src/importation/__helpers__/fixture.js
function file(relpath) {
  return {
    name: basename(relpath),
    path: `src/importation/__fixtures__/${relpath}`,
    size: 123,
    type: vcard.FILE_TYPES[0]
  }
}
function file(relpath) {
  return {
    name: basename(relpath),
    path: `src/importation/__fixtures__/${relpath}`,
    size: 123,
    type: vcard.FILE_TYPES[0]
  }
}
Build a fake File from fixture path to be used by ../__mocks__/readFile.js