[AP] Next Build reverse proxy dev bucket testing for dev

[mreed101]

Description

The goal of this ticket is to properly test changes to the reverse proxy via our test plan in the dev environment (dev.va.gov).
This ticket is testing dev.va.gov pointing to the next build next-content.dev.va.gov s3 bucket.
When testing, a thread should be started in the #accelerated-publishing slack channel to keep the team updated with passing or failing test. All findings should be recorded in this ticket.

Acceptance Criteria

• Results of each test added to this ticket
• Team informed of passing or failing test

[mreed101]

1. Passed
2. Passed
3. Passed
4. Passed
5. Passed
6. Passed
7. Passed
8. N/A
9. N/A