Flaky test CustomConnectionFactory_SyncRequest_Fails is causing CI failures #40564
Description
Blocking:
- Disable EOL Target Frameworks check in newer SDKs #40552 (see failure)
- Improve perf of hash one-shots on Win10 #40510 (see failure)
System.Net.Http.Functional.Tests.SocketsHttpHandler_ConnectionFactoryTest.CustomConnectionFactory_SyncRequest_Fails [FAIL]
Assert.Equal() Failure
Expected: HostNotFound
Actual: Unknown
Stack Trace:
/_/src/libraries/System.Net.Http/tests/FunctionalTests/SocketsHttpHandlerTest.cs(165,0): at System.Net.Http.Functional.Tests.SocketsHttpHandler_ConnectionFactoryTest.CustomConnectionFactory_SyncRequest_Fails()
/_/src/libraries/System.Net.Http/tests/FunctionalTests/SocketsHttpHandlerTest.cs(165,0): at System.Net.Http.Functional.Tests.SocketsHttpHandler_ConnectionFactoryTest.CustomConnectionFactory_SyncRequest_Fails()
--- End of stack trace from previous location --- System.Net.Http.Functional.Tests.SocketsHttpHandler_ConnectionFactoryTest_Http2.CustomConnectionFactory_SyncRequest_Fails [FAIL]
Assert.Equal() Failure
Expected: HostNotFound
Actual: Unknown
Stack Trace:
/_/src/libraries/System.Net.Http/tests/FunctionalTests/SocketsHttpHandlerTest.cs(165,0): at System.Net.Http.Functional.Tests.SocketsHttpHandler_ConnectionFactoryTest.CustomConnectionFactory_SyncRequest_Fails()
/_/src/libraries/System.Net.Http/tests/FunctionalTests/SocketsHttpHandlerTest.cs(165,0): at System.Net.Http.Functional.Tests.SocketsHttpHandler_ConnectionFactoryTest.CustomConnectionFactory_SyncRequest_Fails()
--- End of stack trace from previous location ---