matrix-scope does not seem to filter environments

[ssbarnea]

❯ tox --ansible --conf tox-ansible.ini  --matrix-scope sanity --notest 
unit-py3.9-2.15: FAIL ✖ in 0.77 seconds
unit-py3.10-2.15: OK ✔ in 0 seconds
unit-py3.10-2.16: OK ✔ in 0 seconds
unit-py3.10-2.17: OK ✔ in 0 seconds
unit-py3.11-2.15: OK ✔ in 0 seconds
unit-py3.11-2.16: OK ✔ in 0 seconds
unit-py3.11-2.17: OK ✔ in 0 seconds
unit-py3.11-2.18: OK ✔ in 0 seconds
unit-py3.11-devel: OK ✔ in 0 seconds
unit-py3.11-milestone: OK ✔ in 0 seconds
unit-py3.12-2.16: OK ✔ in 0 seconds
unit-py3.12-2.17: OK ✔ in 0 seconds
unit-py3.12-2.18: OK ✔ in 0 seconds
unit-py3.12-devel: OK ✔ in 0 seconds
unit-py3.12-milestone: OK ✔ in 0 seconds
unit-py3.13-2.18: OK ✔ in 0 seconds
unit-py3.13-devel: OK ✔ in 0 seconds
  integration-py3.9-2.15: FAIL code 2 (1.07 seconds)
  integration-py3.10-2.15: OK (0.00 seconds)
  integration-py3.10-2.16: OK (0.00 seconds)
  integration-py3.10-2.17: OK (0.00 seconds)
  integration-py3.11-2.15: OK (0.00 seconds)
  integration-py3.11-2.16: OK (0.00 seconds)
  integration-py3.11-2.17: OK (0.00 seconds)
  integration-py3.11-2.18: OK (0.00 seconds)
  integration-py3.11-devel: OK (0.00 seconds)
  integration-py3.11-milestone: OK (0.00 seconds)
  integration-py3.12-2.16: OK (0.00 seconds)
  integration-py3.12-2.17: OK (0.00 seconds)
  integration-py3.12-2.18: OK (0.00 seconds)
  integration-py3.12-devel: OK (0.00 seconds)
  integration-py3.12-milestone: OK (0.00 seconds)
  integration-py3.13-2.18: OK (0.00 seconds)
  integration-py3.13-devel: OK (0.00 seconds)
  integration-py3.13-milestone: OK (0.00 seconds)
  sanity-py3.9-2.15: OK (0.00 seconds)
  sanity-py3.10-2.15: OK (0.00 seconds)
  sanity-py3.10-2.16: OK (0.00 seconds)
  sanity-py3.10-2.17: OK (0.00 seconds)
  sanity-py3.11-2.15: OK (0.00 seconds)
  sanity-py3.11-2.16: OK (0.00 seconds)
  sanity-py3.11-2.17: OK (0.00 seconds)
  sanity-py3.11-2.18: OK (0.00 seconds)
  sanity-py3.11-devel: OK (0.00 seconds)
  sanity-py3.11-milestone: OK (0.00 seconds)
  sanity-py3.12-2.16: OK (0.00 seconds)
  sanity-py3.12-2.17: OK (0.00 seconds)
  sanity-py3.12-2.18: OK (0.00 seconds)
  sanity-py3.12-devel: OK (0.00 seconds)
  sanity-py3.12-milestone: OK (0.00 seconds)
  sanity-py3.13-2.18: OK (0.00 seconds)
  sanity-py3.13-devel: OK (0.00 seconds)
  sanity-py3.13-milestone: OK (0.00 seconds)
  unit-py3.9-2.15: FAIL code 2 (0.77 seconds)
  unit-py3.10-2.15: OK (0.00 seconds)
  unit-py3.10-2.16: OK (0.00 seconds)
  unit-py3.10-2.17: OK (0.00 seconds)
  unit-py3.11-2.15: OK (0.00 seconds)
  unit-py3.11-2.16: OK (0.00 seconds)
  unit-py3.11-2.17: OK (0.00 seconds)
  unit-py3.11-2.18: OK (0.00 seconds)
  unit-py3.11-devel: OK (0.00 seconds)
  unit-py3.11-milestone: OK (0.00 seconds)
  unit-py3.12-2.16: OK (0.00 seconds)
  unit-py3.12-2.17: OK (0.00 seconds)
  unit-py3.12-2.18: OK (0.00 seconds)
  unit-py3.12-devel: OK (0.00 seconds)
  unit-py3.12-milestone: OK (0.00 seconds)
  unit-py3.13-2.18: OK (0.00 seconds)
  unit-py3.13-devel: OK (0.00 seconds)
  unit-py3.13-milestone: OK (0.00 seconds)