{
 "task": "T20",
 "mutants": [
  {
   "object": "{{P}}I_DEPT",
   "mutant": "line 5: association on: $projection.parent_id -> $projection.dept_id (assoc on)",
   "status": "killed",
   "hidden": "3/6",
   "failed_tests": [
    "ORPHAN_HAS_NO_PARENT",
    "PARENT_NAME",
    "TOP_HAS_NO_PARENT"
   ]
  },
  {
   "object": "{{P}}I_DEPT",
   "mutant": "line 10: headcount -> dept_id (element)",
   "status": "killed",
   "hidden": "5/6",
   "failed_tests": [
    "HEADCOUNT_SHOWN"
   ]
  },
  {
   "object": "{{P}}I_DEPT",
   "mutant": "line 8: dept_name -> dept_id (element)",
   "status": "killed",
   "hidden": "4/6",
   "failed_tests": [
    "OWN_DATA_SHOWN",
    "PARENT_NAME"
   ]
  }
 ],
 "valid": 3,
 "killed": 3,
 "kill_rate": 1.0,
 "ok": true
}