[heuristic.html]
  [HTTP cache reuses an unknown response with Last-Modified based upon heuristic freshness when Cache-Control: public is present.]
    expected: FAIL

  [HTTP cache reuses a 204 No Content response with Last-Modified based upon heuristic freshness.]
    expected: FAIL

  [HTTP cache reuses a 404 Not Found response with Last-Modified based upon heuristic freshness.]
    expected: FAIL

  [HTTP cache reuses a 405 Method Not Allowed response with Last-Modified based upon heuristic freshness.]
    expected: FAIL

  [HTTP cache reuses a 414 URI Too Long response with Last-Modified based upon heuristic freshness.]
    expected: FAIL

  [HTTP cache reuses a 501 Not Implemented response with Last-Modified based upon heuristic freshness.]
    expected: FAIL