[
  (import ./observable-eval-cache1.nix == import ./observable-eval-cache1.nix)
  (import ./observable-eval-cache1.nix == import ./observable-eval-cache2.nix)
  (import ./observable-eval-cache1.nix == import ./observable-eval-cache3.nix)
  (import ./observable-eval-cache2.nix == import ./observable-eval-cache3.nix)
  (import ./observable-eval-cache3.nix == import ./observable-eval-cache3.nix)
]