Remove @itwin/presentation-testing package

[grigasp]

Part of #1320. Needs to wait for iTwin/itwinjs-core#9258.

At first I was thinking to keep it and just exclude from our release pipelines, but then we'd have to keep maintaining it - reacting to deprecations, dependency bumps, etc. So ended up removing it completely. If a patch is needed for some reason, we can do that from a branch.

[changeset-bot]

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Latest commit: 325b881

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[github-actions]

Unified selection benchmark

Benchmark suite	Current: 325b881	Previous: cffc069	Deviation	Status
compute selection for 50k elements	354 ms	344 ms	2.91%	〰️
compute selection for 50k elements (P95 of main thread blocks)	32 ms	31 ms	3.23%	〰️
compute parent selection for 50k elements	349 ms	346 ms	0.87%	〰️
compute parent selection for 50k elements (P95 of main thread blocks)	31 ms	32 ms	-3.13%	〰️
compute top ancestor selection for 50k elements	590 ms	553 ms	6.69%	〰️
compute top ancestor selection for 50k elements (P95 of main thread blocks)	0 ms	0 ms	0%	🟰
compute category selection for 50k elements	102 ms	104 ms	-1.92%	〰️
compute category selection for 50k elements (P95 of main thread blocks)	0 ms	0 ms	0%	🟰
compute model selection for 50k elements	82 ms	74 ms	10.81%	〰️
compute model selection for 50k elements (P95 of main thread blocks)	0 ms	0 ms	0%	🟰
compute functional selection for 50k 3D elements	422 ms	410 ms	2.93%	〰️
compute functional selection for 50k 3D elements (P95 of main thread blocks)	31 ms	31 ms	0%	🟰
compute parent functional selection for 50k 3D elements	468 ms	434 ms	7.83%	〰️
compute parent functional selection for 50k 3D elements (P95 of main thread blocks)	31 ms	31 ms	0%	🟰
compute top ancestor functional selection for 50k 3D elements	1238 ms	1163 ms	6.45%	〰️
compute top ancestor functional selection for 50k 3D elements (P95 of main thread blocks)	0 ms	0 ms	0%	🟰
compute functional selection for 50k 2D elements	3140 ms	2926 ms	7.31%	〰️
compute functional selection for 50k 2D elements (P95 of main thread blocks)	0 ms	0 ms	0%	🟰
compute parent functional selection for 50k 2D elements	3156 ms	2835 ms	11.32%	🚨
compute parent functional selection for 50k 2D elements (P95 of main thread blocks)	0 ms	0 ms	0%	🟰
compute top ancestor functional selection for 50k 2D elements	3121 ms	2922 ms	6.81%	〰️
compute top ancestor functional selection for 50k 2D elements (P95 of main thread blocks)	0 ms	0 ms	0%	🟰
hilite 50k elements	1243 ms	1160 ms	7.16%	〰️
hilite 50k elements (P95 of main thread blocks)	61 ms	51 ms	19.61%	〰️
hilite 50k group elements	251 ms	238 ms	5.46%	〰️
hilite 50k group elements (P95 of main thread blocks)	35 ms	35 ms	0%	🟰
hilite 1k subjects	45065 ms	48071 ms	-6.25%	〰️
hilite 1k subjects (P95 of main thread blocks)	23 ms	28 ms	-17.86%	〰️
hilite 50k subcategories	300 ms	315 ms	-4.76%	〰️
hilite 50k subcategories (P95 of main thread blocks)	41 ms	40 ms	2.50%	〰️
hilite 50k functional 3D elements	28719 ms	26812 ms	7.11%	〰️
hilite 50k functional 3D elements (P95 of main thread blocks)	41 ms	42 ms	-2.38%	〰️
hilite 50k functional 2D elements	6488 ms	6000 ms	8.13%	〰️
hilite 50k functional 2D elements (P95 of main thread blocks)	36 ms	32 ms	12.50%	〰️

This comment was automatically generated by workflow using github-action-benchmark.

[github-actions]

Hierarchies benchmark

Benchmark suite	Current: 325b881	Previous: cffc069	Deviation	Status
filtering filters with 50000 paths	8715 ms	6536 ms	33.34%	🚨
filtering filters with 50000 paths (P95 of main thread blocks)	241 ms	182 ms	32.42%	🚨
hide if no children required to finalize root, w/o children	51141 ms	28058 ms	82.27%	🚨
hide if no children required to finalize root, w/o children (P95 of main thread blocks)	44 ms	25 ms	76%	〰️
hide if no children required to finalize root, w/ children	207 ms	135 ms	53.33%	🚨
hide if no children required to finalize root, w/ children (P95 of main thread blocks)	0 ms	0 ms	0%	🟰
models tree initial (Baytown)	104 ms	63 ms	65.08%	〰️
models tree initial (Baytown) (P95 of main thread blocks)	31 ms	0 ms	3100%	〰️
models tree full (Baytown)	7540 ms	5708 ms	32.10%	🚨
models tree full (Baytown) (P95 of main thread blocks)	91 ms	67 ms	35.82%	〰️
models tree creates initial filtered view for 50k target items	2335 ms	1695 ms	37.76%	🚨
models tree creates initial filtered view for 50k target items (P95 of main thread blocks)	253 ms	34 ms	644.12%	🚨
grouping by label	15727 ms	11564 ms	36.00%	🚨
grouping by label (P95 of main thread blocks)	60 ms	54 ms	11.11%	〰️
grouping by class	15331 ms	11439 ms	34.02%	🚨
grouping by class (P95 of main thread blocks)	46 ms	42 ms	9.52%	〰️
grouping by property	15870 ms	12263 ms	29.41%	🚨
grouping by property (P95 of main thread blocks)	64 ms	57 ms	12.28%	〰️
grouping by base class (10 classes)	13306 ms	10349 ms	28.57%	🚨
grouping by base class (10 classes) (P95 of main thread blocks)	122 ms	99 ms	23.23%	〰️
grouping by multiple attributes	27208 ms	24710 ms	10.11%	🚨
grouping by multiple attributes (P95 of main thread blocks)	44 ms	75 ms	-41.33%	〰️
flat 50k elements list	9537 ms	3564 ms	167.59%	🚨
flat 50k elements list (P95 of main thread blocks)	100 ms	51 ms	96.08%	〰️

This comment was automatically generated by workflow using github-action-benchmark.

[Copilot]

Pull request overview

Removes the deprecated @itwin/presentation-testing package from the monorepo (per issue #1320 deprecation plan), and updates CI/regression tooling to stop building/packing it.

Changes:

• Deleted packages/testing (source, tests, configs, API reports, and package metadata) and removed its lockfile importer entries.
• Updated regression scripts and GitHub Actions workflow to stop building/packing @itwin/presentation-testing.
• Updated contributor and Azure docs pipeline configuration to remove references to the deleted package paths.

Reviewed changes

Copilot reviewed 32 out of 33 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
scripts/regression/fixDependencies.js	Stops applying dependency adjustments for the removed @itwin/presentation-testing package.
pnpm-lock.yaml	Removes the packages/testing importer and associated locked dependencies.
packages/testing/vitest.config.ts	Deleted as part of removing the testing package.
packages/testing/tsconfig.json	Deleted as part of removing the testing package.
packages/testing/tsconfig.esm.json	Deleted as part of removing the testing package.
packages/testing/tsconfig.cjs.json	Deleted as part of removing the testing package.
packages/testing/src/test/Utils.ts	Deleted as part of removing the testing package.
packages/testing/src/test/RulesetTesting.test.ts	Deleted as part of removing the testing package.
packages/testing/src/test/IModelUtilities.test.ts	Deleted as part of removing the testing package.
packages/testing/src/test/IModelBuilderImpl.test.ts	Deleted as part of removing the testing package.
packages/testing/src/test/HierarchyBuilder.test.ts	Deleted as part of removing the testing package.
packages/testing/src/test/Helpers.test.ts	Deleted as part of removing the testing package.
packages/testing/src/test/FilenameUtils.test.ts	Deleted as part of removing the testing package.
packages/testing/src/test/ContentBuilder.test.ts	Deleted as part of removing the testing package.
packages/testing/src/test/snapshots/HierarchyBuilder.test.ts.snap	Deleted snapshot tied to removed tests.
packages/testing/src/presentation-testing/IModelUtilities.ts	Deleted package implementation code.
packages/testing/src/presentation-testing/IModelBuilderImpl.ts	Deleted package implementation code.
packages/testing/src/presentation-testing/HierarchyBuilder.ts	Deleted package implementation code.
packages/testing/src/presentation-testing/Helpers.ts	Deleted package implementation code.
packages/testing/src/presentation-testing/FilenameUtils.ts	Deleted package implementation code.
packages/testing/src/presentation-testing/ContentBuilder.ts	Deleted package implementation code.
packages/testing/src/presentation-testing.ts	Deleted package entrypoint exports.
packages/testing/README.md	Deleted package README.
packages/testing/package.json	Deleted package manifest to remove it from the workspace.
packages/testing/LICENSE.md	Deleted package-local license file.
packages/testing/eslint.config.cjs	Deleted package-local lint config.
packages/testing/CHANGELOG.md	Deleted package changelog.
packages/testing/api/presentation-testing.exports.csv	Deleted generated API exports report.
packages/testing/api/presentation-testing.api.md	Deleted generated API report.
packages/testing/.npmignore	Deleted package publish ignore rules.
CONTRIBUTING.md	Removes instructions to pack presentation-testing during local regression workflow.
.github/workflows/regression.yml	Stops building/packing @itwin/presentation-testing in regression CI.
.azure-pipelines/generate-docs.yaml	Removes package/testing and related removed paths from docs-change detection list.

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported