Clean some dirty changes used for quick validation.

src/System.IO.Pipes/src/System/IO/Pipes/NamedPipeServerStream.Unix.cs

@@ -41,8 +41,6 @@ private void Create(string pipeName, PipeDirection direction, int maxNumberOfSer
             // We don't have a good way to enforce maxNumberOfServerInstances across processes; we only factor it in
             // for streams created in this process.  Between processes, we behave similarly to maxNumberOfServerInstances == 1,
             // in that the second process to come along and create a stream will find the pipe already in existence and will fail.
-            var pipeNameServer = GetPipePath(".", pipeName, IsCurrentUserOnly);
-            System.Console.WriteLine("PipeServerName: " + pipeNameServer + " IsCurrentUserOnly: " + IsCurrentUserOnly);
             _instance = SharedServer.Get(GetPipePath(".", pipeName, IsCurrentUserOnly), maxNumberOfServerInstances);
 
             _direction = direction;

src/System.IO.Pipes/tests/NamedPipeTests/NamedPipeTest.CurrentUserOnly.netcoreapp.cs

@@ -30,7 +30,7 @@ public static void CreateServer_CurrentUserOnly()
         [Fact]
         public static void CreateServer_ConnectClient()
         {
-            var name = "test.named.pipe"; // GetUniquePipeName();
+            var name = GetUniquePipeName();
             using (var server = new NamedPipeServerStream(name, PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.CurrentUserOnly))
             {
                 using (var client = new NamedPipeClientStream(".", name, PipeDirection.InOut, PipeOptions.CurrentUserOnly))