test_runner: fix junit report on empty diagnostic #66573

Triggered via pull request August 17, 2026 19:09

lazerg

opened #65357

Status Success

Total duration 2m 16s

Artifacts 1

doc.yml

on: pull_request

Produced during runtime

Name	Size	Digest
docs	6.83 MB	`sha256:bdc7cfa5f410eeaec3ff462b085f5d938fbe98a67b0cfaef53adee4a7209f9a0`