Build: Use mocks in telemetry test

[yannbf]

Closes #

What I did

This PR fixes a test that was running a command against the codebase which was causing "flake". The test now runs against a fixed mock so the results are always consistent.

Checklist for Contributors

Testing

The changes in this PR are covered in the following automated tests:

• stories
• unit tests
• integration tests
• end-to-end tests

Manual testing

This section is mandatory for all contributions. If you believe no manual test is necessary, please state so explicitly. Thanks!

Documentation

• Add or update documentation reflecting your changes
• If you are deprecating/removing a feature, make sure to update
  MIGRATION.MD

Checklist for Maintainers

• When this PR is ready for testing, make sure to add ci:normal, ci:merged or ci:daily GH label to it to run a specific set of sandboxes. The particular set of sandboxes can be found in code/lib/cli/src/sandbox-templates.ts

• Make sure this PR contains one of the labels below:

  Available labels

  • bug: Internal changes that fixes incorrect behavior.
  • maintenance: User-facing maintenance tasks.
  • dependencies: Upgrading (sometimes downgrading) dependencies.
  • build: Internal-facing build tooling & test updates. Will not show up in release changelog.
  • cleanup: Minor cleanup style change. Will not show up in release changelog.
  • documentation: Documentation only changes. Will not show up in release changelog.
  • feature request: Introducing a new feature.
  • BREAKING CHANGE: Changes that break compatibility in some way with current major version.
  • other: Changes that don't fit in the above categories.

🦋 Canary release

This PR does not have a canary release associated. You can request a canary release of this pull request by mentioning the @storybookjs/core team here.

core team members can create a canary release here or locally with gh workflow run --repo storybookjs/storybook canary-release-pr.yml --field pr=<PR_NUMBER>

name	before	after	diff	z	%
createSize	0 B	0 B	0 B	-	-
generateSize	76.3 MB	76.3 MB	-27.8 kB	-2	0%
initSize	171 MB	171 MB	194 kB	-0.55	0.1%
diffSize	95 MB	95.2 MB	222 kB	-0.55	0.2%
buildSize	7.42 MB	7.42 MB	0 B	-1	0%
buildSbAddonsSize	1.61 MB	1.61 MB	0 B	-1	0%
buildSbCommonSize	195 kB	195 kB	0 B	-	0%
buildSbManagerSize	2.29 MB	2.29 MB	0 B	-0.5	0%
buildSbPreviewSize	351 kB	351 kB	0 B	-	0%
buildStaticSize	0 B	0 B	0 B	-	-
buildPrebuildSize	4.45 MB	4.45 MB	0 B	-0.95	0%
buildPreviewSize	2.97 MB	2.97 MB	0 B	-1	0%
testBuildSize	0 B	0 B	0 B	-	-
testBuildSbAddonsSize	0 B	0 B	0 B	-	-
testBuildSbCommonSize	0 B	0 B	0 B	-	-
testBuildSbManagerSize	0 B	0 B	0 B	-	-
testBuildSbPreviewSize	0 B	0 B	0 B	-	-
testBuildStaticSize	0 B	0 B	0 B	-	-
testBuildPrebuildSize	0 B	0 B	0 B	-	-
testBuildPreviewSize	0 B	0 B	0 B	-	-

name	before	after	diff	z	%
createTime	17.8s	14.6s	-3s -178ms	-0.31	-21.7%
generateTime	20.9s	21.5s	618ms	-0.37	2.9%
initTime	18s	23.4s	5.4s	1.43	🔺23.1%
buildTime	13.2s	14.5s	1.3s	0.82	9%
testBuildTime	0ms	0ms	0ms	-	-
devPreviewResponsive	8.7s	9.2s	507ms	0.58	5.5%
devManagerResponsive	5.1s	5.2s	74ms	-0.15	1.4%
devManagerHeaderVisible	797ms	843ms	46ms	-0.13	5.5%
devManagerIndexVisible	822ms	875ms	53ms	-0.14	6.1%
devStoryVisibleUncached	1.2s	1.5s	329ms	1.62	🔺21%
devStoryVisible	838ms	908ms	70ms	-0.1	7.7%
devAutodocsVisible	720ms	1s	289ms	2.24	🔺28.6%
devMDXVisible	710ms	923ms	213ms	1.75	🔺23.1%
buildManagerHeaderVisible	753ms	868ms	115ms	0.81	13.2%
buildManagerIndexVisible	756ms	870ms	114ms	0.73	13.1%
buildStoryVisible	801ms	912ms	111ms	0.67	12.2%
buildAutodocsVisible	669ms	819ms	150ms	0.97	18.3%
buildMDXVisible	652ms	901ms	249ms	1.97	🔺27.6%

Greptile Summary

The pull request aims to fix a flaky test by using mock files for consistent results.

• Added code/core/src/__mocks__/composeStories.txt and code/core/src/__mocks__/composeStory.txt to provide stable mock data.
• Modified code/core/src/telemetry/get-portable-stories-usage.test.ts to use the new mock files, ensuring consistent test outcomes.
• Updated code/core/src/telemetry/get-portable-stories-usage.ts to accept an optional path parameter, enhancing flexibility and targeting specific directories for testing.

[greptile-apps]

LGTM

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[shilman]

Nice one!!! 🚀