test: [DPS-41188] - Add cypress tests for Custom HTTPS destination

[mduda-akamai]

Description 📝

Cypress tests for Custom HTTPS destination

Changes 🔄

Add tests for Custom HTTPS in:

• Create Destination
• Edit Destination
• Destination Landing Table
• Create Stream

Scope 🚢

Upon production release, changes in this PR will be visible to:

• No customers / Not applicable

Target release date 🗓️

April 2026

Verification steps

(How to verify changes)

• Make sure that the tests are passing
• ...

Author Checklists

As an Author, to speed up the review process, I considered 🤔

👀 Doing a self review
❔ Our contribution guidelines
🤏 Splitting feature into small PRs
➕ Adding a changeset
🧪 Providing/improving test coverage

• I have read and considered all applicable items listed above.

As an Author, before moving this PR from Draft to Open, I confirmed ✅

• All tests and CI checks are passing
• TypeScript compilation succeeded without errors
• Code passes all linting rules

[linode-gh-bot]

Cloud Manager UI test results

🔺 3 failing tests on test run #3 ↗︎

❌ Failing	✅ Passing	↪️ Skipped	🕐 Duration
3 Failing	899 Passing	11 Skipped	46m 23s

Details

Failing Tests
	Spec	Test
❌	object-storage.e2e.spec.ts	Cloud Manager Cypress Tests→object storage end-to-end tests » can create and delete object storage buckets
❌	alerts-create.spec.ts	Cloud Manager Cypress Tests→Create flow when beta alerts enabled by region and feature flag » create flow after switching to beta alerts
❌	alerts-create.spec.ts	Cloud Manager Cypress Tests→Create flow when beta alerts enabled by region and feature flag » can toggle from legacy to beta alerts and back to legacy

Troubleshooting

Use this command to re-run the failing tests:

pnpm cy:run -s "cypress/e2e/core/objectStorage/object-storage.e2e.spec.ts,cypress/e2e/core/linodes/alerts-create.spec.ts"