Remove .only from describe block

[MuhammadAHussain]

Resolves N/A

Overall change:
Noticed that a missed .only on a describe block; means only a subset of tests were running on that file. Introduced after merging this PR. Removed the .only and fixed two failing tests

Code changes:

• Remove .only from describe block.
• Editing test data in the cookie to be JSON string.

---

• I have assigned myself to this PR and the corresponding issues
• I have added the cross-team label to this PR if it requires visibility across World Service teams
• I have assigned this PR to the Simorgh project
• (BBC contributors only) This PR follows the repository use guidelines

Testing:

• Automated (jest and/or cypress) tests added (for new features) or updated (for existing features)
• If necessary, I have run the local E2E non-smoke tests relevant to my changes (CYPRESS_APP_ENV=local CYPRESS_SMOKE=false yarn test:e2e:interactive)
• This PR requires manual testing

[DarioR01]

LGTM, just some weird GitHub warning in Files changed complaining about sensitive cookies sent without enforcing SSL encryption.

[MuhammadAHussain]

LGTM, just some weird GitHub warning in Files changed complaining about sensitive cookies sent without enforcing SSL encryption.

Weird, I don't see the warning. Where abouts is the warning?