Unit test fails in loopback-connector-mongodb: "returns patient where id equal to samplePatientId"

@Alexis-Tiscareno is already working on this.

Since May 24, 2025.

## Steps to reproduce

clone the repository

install dependencies:
`npm install`

run tests:
`npm test`

observe the failing test

## Current Behavior
```
1 failing

1) juggler-v4
relations
hasMany through
fetch scoped instances with paging filters
with filter where
returns patient where id equal to samplePatientId:
Uncaught AssertionError: expected Array [] to have property length of 1 (got 0)
```

this happend even without any modification to the codebase, using a clean clone of the repository

## Expected Behavior

All tests should pass successfully after a clean install and test run (npm install && npm test) on a properly configured environment, without requiring any code changes or manual setup beyond what is described in the repository.

## Link to reproduction sandbox

## Additional information

`darwin arm64 23.11.0`

```
npm warn config production Use `--omit=dev` instead.
loopback-connector-mongodb@7.0.0-alpha.2 /Users/alexito/Documents/LoopBack/loopback-connector-mongodb
├── loopback-connector@5.0.1
```
## Related Issues

_See [Reporting Issues](http://loopback.io/doc/en/contrib/Reporting-issues.html) for more tips on writing good issues_