Failing test - Windows/GA - `Aspire.Hosting.Testing.Tests.TestingBuilderTests.ArgsPropagateToAppHostConfiguration`

[radical]

Failing on windows/github-actions. Build:

Aspire.Hosting.Testing.Tests.TestingBuilderTests.ArgsPropagateToAppHostConfiguration(genericEntryPoint: True, directArgs: True) [FAIL]
  System.Net.Http.HttpRequestException : Response status code does not indicate success: 400 (Bad Request).
  Stack Trace:
       at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
       at System.Net.Http.HttpClient.GetStringAsyncCore(HttpRequestMessage request, CancellationToken cancellationToken)
    /_/tests/Aspire.Hosting.Testing.Tests/TestingBuilderTests.cs(245,0): at Aspire.Hosting.Testing.Tests.TestingBuilderTests.ArgsPropagateToAppHostConfiguration(Boolean genericEntryPoint, Boolean directArgs)
    /_/tests/Aspire.Hosting.Testing.Tests/TestingBuilderTests.cs(247,0): at Aspire.Hosting.Testing.Tests.TestingBuilderTests.ArgsPropagateToAppHostConfiguration(Boolean genericEntryPoint, Boolean directArgs)
    --- End of stack trace from previous location ---

cc @ReubenBond