message: I think we will need to mock the fetcher for these ones
diff: @@ -10,22 +10,62 @@ describe('DateFolder#leafDocumentFromDate', () => {
  it('exists', () => {
  expect(new DateFolder({ dir: () => {} }).leafDocumentFromDate).toBeInstanceOf(Function)
  })
  + it.skip('runs', () => {
  + const dateFolder = new DateFolder({ dir: () => {
  + uri: ''
  + } });
  + const result = dateFolder.leafDocumentFromDate({
  + toISOString: () => ''
  + })
  + expect(result).toEqual({})
  + })
  })
  describe('DateFolder#dateFromLeafDocument', () => {
  it('exists', () => {
  expect(new DateFolder({ dir: () => {} }).dateFromLeafDocument).toBeInstanceOf(Function)
  })
  + it.skip('runs', () => {
  + const dateFolder = new DateFolder({ dir: () => {
  + uri: ''
  + } });
  + const result = dateFolder.dateFromLeafDocument({
  + toISOString: () => ''
  + })
  + expect(result).toEqual({})
  + })
  +
  })
  describe('DateFolder#loadPrevious', () => {
  it('exists', () => {
  expect(new DateFolder({ dir: () => {} }).loadPrevious).toBeInstanceOf(Function)
  })
  + it.skip('runs', async () => {
  + const dateFolder = new DateFolder({ dir: () => {
  + uri: ''
  + } });
  + const result = await dateFolder.loadPrevious({
  + toISOString: ''
  + })
  + expect(result).toEqual({})
  + })
  +
  })
  describe('DateFolder#firstLeaf', () => {
  it('exists', () => {
  expect(new DateFolder({ dir: () => {} }).firstLeaf).toBeInstanceOf(Function)
  })
  + it.skip('runs', async () => {
  + const dateFolder = new DateFolder({ dir: () => {
  + uri: ''
  + } });
  + ;(window as any).$rdf = {
  + graph: () => {},
  + Fetcher: function () {}
  + }
  + const result = await dateFolder.firstLeaf()
  + expect(result).toEqual({})
  + })
  })
  