[TASK] Audit + Refactor Cypress test to align with team guidelines / best practices

## Description
Refactor existing tests according to https://docs.cypress.io/app/core-concepts/best-practices and standardize on these.

## Acceptance Criteria
- Refactored tests pass successfully
- No regression in test coverage or functionality

Start by locating the existing Cypress tests and reading the linked Cypress best-practices guidance. Refactor the tests to follow those guidelines, then run the Cypress suite; done means the tests pass without reduced coverage or functional regressions.

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