{
 "task": "T31",
 "mutants": [
  {
   "object": "{{P}}COURT_OLD",
   "mutant": "line 44: <> -> = (rel) on booking_state 'X'",
   "status": "killed",
   "hidden": "0/7",
   "failed_tests": [
    "busy_courts_only",
    "quiet_courts_dropped",
    "one_day_only",
    "cancelled_ignored",
    "totals_per_court",
    "court_filter",
    "alphabetical_order"
   ]
  },
  {
   "object": "{{P}}COURT_OLD",
   "mutant": "line 62: bookings < 2 -> bookings < 1 (rel)",
   "status": "killed",
   "hidden": "5/7",
   "failed_tests": [
    "busy_courts_only",
    "quiet_courts_dropped"
   ]
  }
 ],
 "valid": 2,
 "killed": 2,
 "kill_rate": 1.0,
 "ok": true
}