test_runner: add junit reporter
as per @cjihrig 's ask I have ported https://github.com/MoLow/reporters/tree/main/packages/junit into core
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
as per @cjihrig 's ask I have ported https://github.com/MoLow/reporters/tree/main/packages/junit into core