NodeJS how to make a special get CRUD - node.js

Question

I'm writing some nodeJS code in which I want to make a get request and the result of this get must respect two condition the first is that the imei.name is passed in parameeteres req.query.imei and the second condition is that the test filed is not empty that's my MongoDb database.
{
"_id" : ObjectId("5eb7f90fb88d8d4d94184333"),
"imei" : {
"name" : "bokhhjbr",
"modele" : "5486"
},
"__v" : 0
}
{
"_id" : ObjectId("5eb7fb9cb88d8d4d94184334"),
"imei" : {
"name" : "865566048694354",
"modele" : "CPH1803"
},
"__v" : 0
}
{
"_id" : ObjectId("5eba73395fd8dd073065efdf"),
"imei" : {
"name" : "bok55555555555hjbr",
"modele" : "5486"
},
"createdAt" : ISODate("2020-05-12T09:58:17.203Z"),
"updatedAt" : ISODate("2020-05-12T09:58:17.203Z"),
"__v" : 0
}
{
"_id" : ObjectId("5ed0f93c0c93ec1c785358ab"),
"imei" : {
"name" : "865566048694354"
},
"test" : {
"tactileState" : "1",
"pixelState" : "1",
"greyState" : "1"
},
"createdAt" : ISODate("2020-05-29T11:59:56.441Z"),
"updatedAt" : ISODate("2020-05-29T11:59:56.441Z"),
"__v" : 0
}
{
"_id" : ObjectId("5ed0f9420c93ec1c785358ac"),
"imei" : {
"name" : "865566048694354"
},
"test" : {
"tactileState" : "1",
"pixelState" : "1",
"greyState" : "1"
},
"createdAt" : ISODate("2020-05-29T12:00:02.040Z"),
"updatedAt" : ISODate("2020-05-29T12:00:02.040Z"),
"__v" : 0
}
I tried to write this method but without any result
router.get('/gettdata/', (req, res, next) => {
let aa=req.query.imei;
console.log(aa);
Post.findOne(
imei:{"imei.name":req.query.imei},
test: {$exists:true})
.then((posts) => {
res.json(posts);
console.log(posts);
})
.catch(err => console.log(err))
});