Create test suite files to be directly imported to jest, w/o scaffolding

[tomalec]

⚠️ This PR is based on #33828, as it is required to test it

All Submissions:

• Have you followed the WooCommerce Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Create test suite files to be directly imported by external packages/extensions directly via Jest config.
Without scaffolding, helpers, and the need to replicate file structure.

How to test the changes in this Pull Request:

0. Take a repo that has e2e env set up already Add @woocommerce/admin-e2e-tests and execute them directly. google-listings-and-ads#1593
1. Install/link this version of the packages in your repo (or follow Update config@3.3.7 (from 3.3.3) #33828, and copy admin-e2e-tests content directly to your repo node_modules
2. Add following settings to your jest.config.js:

    // …
	roots: [
		// Your regular roots like:
        // path.resolve( __dirname, '../specs' ),
		// Execute `admin-e2e-tests` directly from node_modules.
		path.resolve(
			__dirname,
			'../../../node_modules/@woocommerce/admin-e2e-tests'
		),
	],
    // Include `node_modules`
	haste: {
		retainAllFiles: true,
	},
    // Ignore all other `node_modules/*` except  `node_modules/@woocommerce/admin-e2e-tests`
	transformIgnorePatterns: [
		'node_modules/(?!@woocommerce/admin-e2e-tests/.*)',
	],
	testPathIgnorePatterns: [
		'node_modules/(?!@woocommerce/admin-e2e-tests/.*)',
	],

4. Run your e2e tests npm run test:e2e

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully run tests with your changes locally?
  No, I tried building it locally, but pnpm -- turbo run build --filter=@woocommerce/admin-e2e-tests throws with:

 ERROR  workspace configuration error: package.json: no workspaces found. Turborepo requires npm workspaces to be defined in the root package.json

• Have you created a changelog file for each project being changed, ie pnpm changelog add --filter=<project>?

FOR PR REVIEWER ONLY:

• I have reviewed that everything is sanitized/escaped appropriately for any SQL or XSS injection possibilities. I made sure Linting is not ignored or disabled.

[github-actions]

Test Results Summary

Commit SHA: 8bd8eec

Test 🧪	Passed ✅	Failed 🚨	Broken 🚧	Skipped ⏭️	Unknown ❔	Total 📊	Duration ⏱️
API Tests	115	0	0	2	0	117	0m 52s
E2E Tests	7	57	47	75	0	186	58m 32s

To view the full API test report, click here.
To view the full E2E test report, click here.
To view all test reports, visit the WooCommerce Test Reports Dashboard

[samueljseay]

We are closing this pull request, as it would need significant rework in its current state and the last activity has been quite some time ago. If you are still interested or feel this is a mistake, please open another PR based on a recent version of the trunk branch. Thanks!