Sandbox: Reenable tests that were disabled "temporarily" 2 years ago.
Sandbox: Reenable tests that were disabled "temporarily" 2 years ago.

BUG=305815

Review URL: https://codereview.chromium.org/1291793003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#348234}

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