Issue #3439898: Fix Media tests that rely on UID1's super user behavior

Closes #3439898

added 1412 commits

• 14eeaf23...6dd918c9 - 1411 commits from branch project:11.x
• a2a86068 - Issue #3439898: Fix Media tests that rely on UID1's super user behavior

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added 62 commits

• a2a86068...086f524b - 61 commits from branch project:11.x
• a12ce617 - Issue #3439898: Fix Media tests that rely on UID1's super user behavior

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