✅ Add Salesforce E2E tests

[BeltranBulbarellaDD]

Motivation

4757 adds the Salesforce LWC testing application with configurable init thru query params.

This PR wires up the full CI pipeline:

• Deploy the app
• get the deployed url
• authenticate in tests
• replace the rum slim static resource from the deployed application by the local one

Changes

• scripts/salesforce-lwc-app.ts: has 2 commands. deploy-app which redeploys the test application and get-url which prints the authenticated salesforce url.
• Adds the required secrets and documents them in the secrets page in confluence.
• Simplifies datadogInit.js by only injecting the init configuration as page.addInitScript.
• Creates test helper buildSalesforceLwcUrl that authenticates at test time using the Salesforce API, so we don't import the scripts in the test.
• withSalesforceApp creates the Salesforce Authenticated URL, overwrites the deployed bundle with the local one and injects the initScript dd_RUM_CONFIGURATION.
• salesforceLWC.scenario skips non chromium tests because the --disable-web-security is chromium only and we need it so we can use our intake proxy to test. And the file tests initial view, custom action and route change.

Test instructions

1. Ensure you have credentials set (see test/apps/sf-lwc-app/README.md — Authentication section), then:
   yarn test:e2e --grep salesforce
2. Verify that the test navigates to Salesforce, finds the home view, clicks custom action 1, navigates to Product Explorer, and asserts view/action events in the intake registry.

Checklist

• Tested locally
• Tested on staging
• Added unit tests for this change.
• Added e2e/integration tests for this change.
• Updated documentation and/or relevant AGENTS.md file

[datadog-prod-us1-4]

🎉 All green!

🧪 All tests passed
❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 77.20% (+0.00%)

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 9dc1458 | Docs | Datadog PR Page | Give us feedback!}

[cit-pr-commenter-54b7da]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	172.75 KiB	172.75 KiB	0 B	0.00%	✅
Rum Profiler	8.22 KiB	8.22 KiB	0 B	0.00%	✅
Rum Recorder	21.14 KiB	21.14 KiB	0 B	0.00%	✅
Logs	54.44 KiB	54.44 KiB	0 B	0.00%	✅
Rum Slim	130.27 KiB	130.27 KiB	0 B	0.00%	✅
Worker	22.96 KiB	22.96 KiB	0 B	0.00%	✅

[chatgpt-codex-connector]

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[amortemousque]

Could you split this test into multiple tests?

[BeltranBulbarellaDD]

Yeah! I think I could also improve the coverage to resources, auto actions and etc. The only drawback is that for every test we generate a new url because each url is single use.

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