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

[linode-gh-bot]

Cloud Manager UI test results

🔺 1 failing test on test run #1 ↗︎

❌ Failing	✅ Passing	↪️ Skipped	🕐 Duration
1 Failing	914 Passing	11 Skipped	35m 50s

Details

Failing Tests
	Spec	Test
❌	object-storage.e2e.spec.ts	Cloud Manager Cypress Tests→object storage end-to-end tests » can update bucket access

Troubleshooting

Use this command to re-run the failing tests:

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