[internal/6.0.1xx] All sdk diff tests are failing

[Winniexu01]

internal/6.0.1xx build: https://dev.azure.com/dnceng/internal/_build/results?buildId=2498446

[ellahathaway]

PR (internal Microsoft link)

[ellahathaway]

This will have to wait until the next servicing release to address.

[ellahathaway]

Servicing release has been completed, so I updated and undrafted the PR.