Server_RegisterUnavailablePrefix_ThrowsActionableHttpSysException

[Tratcher]

This test now fails consistently on Helix because helix tests run as admin where the test was expecting an access-denied error. The test needs to be redesigned or removed.

#20718 (comment)

aspnetcore/src/Servers/HttpSys/test/FunctionalTests/Listener/ServerTests.cs

Lines 130 to 136 in 2434047

	public void Server_RegisterUnavailablePrefix_ThrowsActionableHttpSysException()
	{
	var options = new HttpSysOptions();
	options.UrlPrefixes.Add(UrlPrefix.Create("http", "example.org", "8080", ""));
	var listener = new HttpSysListener(options, new LoggerFactory());
	var exception = Assert.Throws<HttpSysException>(() => listener.Start());

  Failed Microsoft.AspNetCore.Server.HttpSys.Listener.ServerTests.Server_RegisterUnavailablePrefix_ThrowsActionableHttpSysException [8 ms]
  Error Message:
   Assert.Throws() Failure
Expected: typeof(Microsoft.AspNetCore.Server.HttpSys.HttpSysException)
Actual:   (No exception was thrown)
  Stack Trace:
     at Microsoft.AspNetCore.Server.HttpSys.Listener.ServerTests.Server_RegisterUnavailablePrefix_ThrowsActionableHttpSysException() in /_/src/Servers/HttpSys/test/FunctionalTests/Listener/ServerTests.cs:line 136