Test results from re-runs aren't uploaded

[IanButterworth]

We wait on the test job finishing, allowing failures

julia-buildkite/pipelines/main/misc/upload_buildkite_results.yml

Line 11 in 58c5436

allow_failure: true

Makes sense if the test suite fails, but if the test worker doesn't boot properly it can waste this upload job.

Fixing boot issues is obviously a good fix, but perhaps it'd be good to be able to upload results from re-runs.