marked pepu and ct2 tests as xfail

Status Job ID Name Coverage
  Style
failed #49828
check_style

00:00:18

 
  Tests
skipped #49829
run_tests:source
 
  Build
skipped #49830
create_doc:reference
skipped #49831
create_doc:user
 
Name Stage Failure
failed
check_style Style
would reformat /builds/bliss/bliss/bliss/scanning/toolbox.py
would reformat /builds/bliss/bliss/bliss/scanning/acquisition/counter.py
would reformat /builds/bliss/bliss/tests/conftest.py
would reformat /builds/bliss/bliss/bliss/scanning/chain.py
would reformat /builds/bliss/bliss/tests/scans/test_scan_toolbox.py
would reformat /builds/bliss/bliss/tests/test_counters.py
All done! 💥 💔 💥
17 files would be reformatted, 534 files would be left unchanged.
ERROR: Job failed: exit code 1