What version of gRPC and what language are you using?

C#, master branch

What operating system (Linux, Windows,...) and version?

Windows

What runtime / compiler are you using (e.g. .NET Core SDK version dotnet --info)

.net core sdk 8.0.200

What did you do?

Reset nuget configuration from nuget.config due to corporate policy. and can't restore packages from internal nuget proxy.

What did you expect to see?

Use actual Microsoft.Extensions.Diagnostics.Testing instead

What did you see instead?

Current version of tests depends to Microsoft.Extensions.Logging.Testing which was delisted from nuget.