test(workbench): order the suite intentionally and group git tests

[ian-flores]

Summary

Part of epic #480. Imposes an intentional collection order on the Workbench
BDD suite so the run tells a coherent story instead of falling out of
alphabetical filenames.

• test(workbench): order tests logically (IDE launch before extensions) #481 — order tests: auth → session launch → session lifecycle →
  in-session features → extensions, via module-level pytest-order markers.
• test(workbench): group git/cloning tests after session-launch tests #482 — group test_git_ops into the in-session tier so it collects
  after session launch. (Its config-less public-clone path already shipped
  in fix(workbench): public-repo cloning wrongly appears to require VIP_GIT_TOKEN #483, so ordering is the only remaining work.)

Mechanism

One pytestmark = pytest.mark.order(N) per Workbench test module (ranks with
gaps for future insertion). Composes with — does not replace — the existing
workbench/conftest.py::pytest_collection_modifyitems xdist_group hook:
order governs same-worker sequencing, xdist_group governs worker
assignment. Under --interactive-auth all Workbench tests pin to one worker,
so the order holds exactly where the serial run's readability matters.

Adds pytest-order as a runtime dependency (the shipped product tests carry
the markers) and a selftests/test_workbench_ordering.py asserting the
ordering invariants.

Verification

pytest selftests/test_workbench_ordering.py — 4 passed:
auth-before-launch, launch-before-extensions, launch-before-git, extensions-last.

Resulting Workbench collection order:

test_auth → test_ide_launch → test_sessions → test_session_capacity(_k8s)
→ test_session_idle → test_runtime_versions → [in-session: chronicle,
data_sources, git_ops, jobs, packages, publish_to_connect] → test_ide_extensions (last)

ruff check / ruff format --check: clean.

[Copilot]

Pull request overview

This PR makes the Workbench BDD suite’s collection order intentional (rather than incidental alphabetical order) by adding module-level pytest-order markers, ensuring the run reads in a coherent sequence (auth → launch → lifecycle → in-session features → extensions). It also adds a selftest to assert key ordering invariants and vendors pytest-order as a runtime dependency so the shipped product tests always have the ordering plugin available.

Changes:

• Add pytestmark = pytest.mark.order(N) to each Workbench test module to enforce a logical suite order (including grouping test_git_ops into the in-session tier).
• Add pytest-order as a runtime dependency (and lock it in uv.lock).
• Add selftests/test_workbench_ordering.py to assert ordering invariants, plus a validation demo markdown write-up.

Reviewed changes

Copilot reviewed 17 out of 18 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
validation_docs/demo-480-workbench-ordering.md	Adds a demo/validation write-up showing the intended Workbench collection order and example commands/output.
pyproject.toml	Adds pytest-order>=1.3 to runtime dependencies so order markers are supported when running shipped tests.
uv.lock	Locks pytest-order and updates the resolved environment accordingly.
src/vip_tests/workbench/test_auth.py	Sets order rank 10 (auth gate).
src/vip_tests/workbench/test_ide_launch.py	Sets order rank 20 (session launch).
src/vip_tests/workbench/test_sessions.py	Sets order rank 30 (session lifecycle).
src/vip_tests/workbench/test_session_capacity.py	Sets order rank 40 (capacity).
src/vip_tests/workbench/test_session_capacity_k8s.py	Sets order rank 40 (capacity on k8s).
src/vip_tests/workbench/test_session_idle.py	Sets order rank 45 (idle behavior).
src/vip_tests/workbench/test_runtime_versions.py	Sets order rank 50 (runtime version checks).
src/vip_tests/workbench/test_chronicle.py	Sets order rank 60 (in-session feature group).
src/vip_tests/workbench/test_data_sources.py	Sets order rank 60 (in-session feature group).
src/vip_tests/workbench/test_git_ops.py	Sets order rank 60 (in-session feature group; grouped after launch).
src/vip_tests/workbench/test_jobs.py	Sets order rank 60 (in-session feature group).
src/vip_tests/workbench/test_packages.py	Sets order rank 60 (in-session feature group).
src/vip_tests/workbench/test_publish_to_connect.py	Sets order rank 60 (in-session feature group).
src/vip_tests/workbench/test_ide_extensions.py	Sets order rank 90 (final validation step).
selftests/test_workbench_ordering.py	Adds selftests that run --collect-only and assert key ordering invariants.

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[github-actions]

Preview Links

Website	Validation Report
https://posit-dev.github.io/vip/pr-preview-site/pr-500/	https://posit-dev.github.io/vip/pr-preview/pr-500/

[bdeitte]

Nice, makes sense to do this in all tests over time