Microsoft.DotNet.Cli.New.IntegrationTests.PostActionTests.Restore_FilesTest failing in CI

[tmat]

Skipped test to unblock flow.

https://dev.azure.com/dnceng-public/public/_build/results?buildId=1064004&view=ms.vss-test-web.build-test-results-tab&runId=28740924&resultId=100248&paneView=debug