LOLIN_D1_MINI: net_hosted/ssl_verify_callback.py

# Bug Report

## Environment
- **testbed_micropython version:** 2025-07-31

## Description

https://reports.octoprobe.org/github_selfhosted_testrun_195/RUN-TESTS_NET_HOSTED,b@2d2d-LOLIN_D1_MINI/testresults.txt

```
Traceback (most recent call last):
  File "<stdin>", line 37, in <module>
  File "<stdin>", line 20, in test
AttributeError: 'module' object has no attribute 'CERT_OPTIONAL'
CRASH
```