var oplog = {op:"i", ns: "test.test", o: {_id: 1}}
db.dropDatabase()
var res = db.adminCommand({applyOps: [oplog]})
print('Invalid applyOps:' + tojson(res))
// Command fails:
// Invalid applyOps:{
//     "applied" : 1,
//     "code" : 26,
//     "errmsg" : "Failed to apply insert due to missing collection: { op: \"i\", ns: \"test.test\", o: { _id: 1.0 } }",
//     "results" : [
//         false
//     ],
//     "ok" : 0
// }
res = db.adminCommand({applyOps: [{op: "c", ns: "admin.$cmd", o: {applyOps: [oplog]}}]})
print('Nested invalid applyOps:' + tojson(res))
// Command succeeds:
// Nested invalid applyOps:{
//     "applied" : 1,
//     "results" : [
//         true
//     ],
//     "ok" : 1
// }