build(client): Add new end-to-end test package for tinylicious-client

[tylerbutler]

This is split out of #24849. This change adds the new package and subsequent changes will add tests to it. The package is private and not published to any feeds.

[Copilot]

Pull Request Overview

This PR introduces a new private end-to-end test package for the Tinylicious client, providing the initial scaffolding and configuration needed to add tests in a subsequent change.

• Adds TypeScript test configuration and build scripts
• Provides a Tinylicious client factory helper and Mocha setup
• Includes package metadata, lint/format config, README, LICENSE, changelog, and ignore files

Reviewed Changes

Copilot reviewed 11 out of 12 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/test/tsconfig.json	Test TypeScript configuration with temporary overrides
src/test/TinyliciousClientFactory.ts	Factory function to create a Tinylicious client
src/test/.mocharc.cjs	Mocha configuration for running tests
package.json	Defines package metadata, scripts, and dependencies
biome.jsonc	Extends shared Biome formatting/linting config
README.md	Documentation scaffold (auto-generated content)
LICENSE	MIT license file
CHANGELOG.md	Placeholder changelog for the new package
.npmignore	Exclusions for npm package publish
.gitignore	Common files and directories to ignore in Git
.eslintrc.cjs	ESLint configuration with test overrides

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

Comments suppressed due to low confidence (2)

packages/service-clients/end-to-end-tests/tinylicious-client/src/test/TinyliciousClientFactory.ts:15

• [nitpick] Replace the placeholder TODO comment with a meaningful description of what this factory function does.

 * TODO

packages/service-clients/end-to-end-tests/tinylicious-client/README.md:1

• The README title does not match the package name in package.json (which is '@fluid-private/tinylicious-end-to-end-tests'). Please update the README header to reflect the correct package name.

# @fluidframework/tinylicious-end-to-end-tests

[Copilot]

Remove the temporary FIXME comment and ensure the tsconfig settings are finalized before merging.

Suggested change

	// FIXME: Revert before merge
	"noUnusedLocals": false,
	"noUnusedLocals": true,

[github-actions]

🔗 No broken links found! ✅

Your attention to detail is admirable.

linkcheck output

> fluid-framework-docs-site@0.0.0 ci:check-links /home/runner/work/FluidFramework/FluidFramework/docs
> start-server-and-test "npm run serve -- --no-open" 3000 check-links

1: starting server using command "npm run serve -- --no-open"
and when url "[ 'http://127.0.0.1:3000' ]" is responding with HTTP status code 200
running tests using command "npm run check-links"


> fluid-framework-docs-site@0.0.0 serve
> docusaurus serve --no-open

[SUCCESS] Serving "build" directory at: http://localhost:3000/

> fluid-framework-docs-site@0.0.0 check-links
> linkcheck http://localhost:3000 --skip-file skipped-urls.txt

Crawling...

Stats:
  225443 links
    1710 destination URLs
    1941 URLs ignored
       0 warnings
       0 errors