HSD8-000: Adjust media functional tests

[joegl]

Summary

Fixes for media functional tests.

Need Review By (Date)

[When does this need to be reviewed by? '10/30', 'asap', etc.]

Urgency

['low', 'medium', 'high', etc.]

Steps to Test

1. [First testing step]
2. ...

Review Tasks

Backend / Functional Validation

Code

• Are the naming conventions following our standards?
• Are PHP functions and variables in snake_case and not camelCase?
• Does Drupal code follow Drupal Coding Standards?
• Does the code have sufficient inline comments?
• Is there anything in this code that would be hidden or hard to discover through the UI?
• Are there any code smells?
• Are tests provided?

Code security

• Is all user input properly sanitized when rendered?
• Any obvious security flaws or new areas for attack?

General

• Is there anything included in this PR that is not related to the problem it is trying to solve?
• Is the approach to the problem appropriate?

[ahughes3]

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