test: [DBAAS1-1529] - Improvise and restructure DBaaS update test cases

[stayal712]

Description 📝

• Improvise dbaas update test script and restructure cases to avoid pipeline timeouts on failure

Changes 🔄

List any change(s) relevant to the reviewer.

• Remove redundant cases, not adding value to UI testing with mock API calls
• Divide test cases logically and in positive and negative categories
• Reduce overall test run time

Target release date 🗓️

N/A

How to test 🧪

pnpm cy:run -s "cypress/e2e/core/databases/update-database.spec.ts"

Run the test or some subset of test and confirm all actions can be performed.

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
🔐 Removing all sensitive information from the code and PR description
🚩 Using a feature flag to protect the release
👣 Providing comprehensive reproduction steps
📑 Providing or updating our documentation
🕛 Scheduling a pair reviewing session
📱 Providing mobile support
♿ Providing accessibility support

• 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

[jdamore-linode]

Thanks @stayal712!

[linode-gh-bot]

Cloud Manager UI test results

🔺 3 failing tests on test run #2 ↗︎

❌ Failing	✅ Passing	↪️ Skipped	🕐 Duration
3 Failing	912 Passing	11 Skipped	46m 4s

Details

Failing Tests
	Spec	Test
❌	access-key.e2e.spec.ts	Cloud Manager Cypress Tests→object storage access key end-to-end tests » can create an access key with limited access - e2e
❌	object-storage.e2e.spec.ts	Cloud Manager Cypress Tests→object storage end-to-end tests » can update bucket access
❌	vpc-details-page.spec.ts	Cloud Manager Cypress Tests→VPC details page » can create, edit, and delete a subnet from the VPC details page

Troubleshooting

Use this command to re-run the failing tests:

pnpm cy:run -s "cypress/e2e/core/objectStorage/access-key.e2e.spec.ts,cypress/e2e/core/objectStorage/object-storage.e2e.spec.ts,cypress/e2e/core/vpc/vpc-details-page.spec.ts"