[release/9.0-staging] Skip SSL key log test for OpenSSL 3.5+ (#116687)

* Skip SSL key log test for openssl 3.5+

* Minor changes, active issue comment

* Conditional return

* Add IsOpenSsl3_5 to platform detection helper

---------

Co-authored-by: Roman Konecny <rokonecn@microsoft.com>

Author: github-actions[bot]

src/libraries/Common/tests/TestUtilities/System/PlatformDetection.Unix.cs

@@ -51,9 +51,11 @@ public static partial class PlatformDetection
 
         private static readonly Version s_openssl3Version = new Version(3, 0, 0);
         private static readonly Version s_openssl3_4Version = new Version(3, 4, 0);
+        private static readonly Version s_openssl3_5Version = new Version(3, 5, 0);
 
         public static bool IsOpenSsl3 => IsOpenSslVersionAtLeast(s_openssl3Version);
         public static bool IsOpenSsl3_4 => IsOpenSslVersionAtLeast(s_openssl3_4Version);
+        public static bool IsOpenSsl3_5 => IsOpenSslVersionAtLeast(s_openssl3_5Version);
 
         /// <summary>
         /// If gnulibc is available, returns the release, such as "stable".

src/libraries/System.Net.Security/tests/FunctionalTests/SslStreamRemoteExecutorTests.cs

@@ -25,6 +25,7 @@ public SslStreamRemoteExecutorTests()
         [PlatformSpecific(TestPlatforms.Linux)] // SSLKEYLOGFILE is only supported on Linux for SslStream
         [InlineData(true)]
         [InlineData(false)]
+        //[ActiveIssue("https://github.com/dotnet/runtime/issues/116473")]
         public async Task SslKeyLogFile_IsCreatedAndFilled(bool enabledBySwitch)
         {
             if (PlatformDetection.IsDebugLibrary(typeof(SslStream).Assembly) && !enabledBySwitch)
@@ -34,6 +35,13 @@ public async Task SslKeyLogFile_IsCreatedAndFilled(bool enabledBySwitch)
                 return;
             }
 
+            if (PlatformDetection.IsOpenSsl3_5 && !enabledBySwitch)
+            {
+                // OpenSSL 3.5 and later versions log into file in SSLKEYLOGFILE environment variable by default,
+                // regardless of AppContext switch.
+                return;
+            }
+
             var psi = new ProcessStartInfo();
             var tempFile = Path.GetTempFileName();
             psi.Environment.Add("SSLKEYLOGFILE", tempFile);