nixosTests.hocker-fetchdocker: mark as broken
nixosTests.hocker-fetchdocker: mark as broken

This test tries to download from the official docker registry. I don't
know how this could ever work, but let's mark it as broken for now.

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs