message: techdocs: Fix broken tests on Windows
  https://github.com/backstage/backstage/runs/1805649470\?check_suite_focus\=true
diff: @@ -115,10 +115,8 @@ describe('AzureBlobStoragePublish', () => {
  directory: wrongPathToGeneratedDirectory,
  })
  .catch(error =>
  - expect(error).toEqual(
  - new Error(
  - `Unable to upload file(s) to Azure Blob Storage. Error Failed to read template directory: ENOENT, no such file or directory '${wrongPathToGeneratedDirectory}'`,
  - ),
  + expect(error.message).toContain(
  + 'Unable to upload file(s) to Azure Blob Storage. Error Failed to read template directory: ENOENT, no such file or directory',
  ),
  );
  mockFs.restore();
  