Add assertion that headers follow the pattern /"..."/ or /<...>/

8 jobs for assertion-headers in 15 minutes and 4 seconds (queued for 3 seconds)
latest
Name Stage Failure
failed
pycodegen-integration Test
warning: redirecting to https://i10git.cs.fau.de/pycodegen/pygrandchem.git/
Entering 'pystencils'
warning: redirecting to https://i10git.cs.fau.de/pycodegen/pystencils.git/
Entering 'pystencils_walberla'
warning: redirecting to https://i10git.cs.fau.de/pycodegen/pystencils_walberla.git/
Entering 'walberla'
fatal: unable to access 'https://gitlab-ci-token:[MASKED]@i10git.cs.fau.de/walberla/walberla/': Failed to connect to i10git.cs.fau.de port 443: Connection refused
Stopping at 'walberla'; script returned non-zero status.
ERROR: Job failed: exit code 1