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Upgrade xunit version to 2.9.0 (#57303)
Update SignalR Redis tests to use internal Docker Hub mirror (#62936)
Use file scoped namespaces (#38076)
Fix SignalR StackExchangeRedis tests (#65564)
Quarantine HubConnectionCanSendAndReceiveGroupMessages test (#62436)
Rename Microsoft.Aspnetcore.Testing to Microsoft.AspNetCore.InternalTesting (#51713)
[SignalR] Add client return results (#40811)
Fix preserving messages for stateful reconnect with backplane (#60900)
Caching: SE.Redis update and fix naming inconsistency (#54239)