#51371 Done minor changes

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

@@ -61,7 +61,7 @@ public static partial class PlatformDetection
 
         public static bool IsCaseInsensitiveOS => IsWindows || IsOSX || IsMacCatalyst;
         public static bool IsCaseSensitiveOS => !IsCaseInsensitiveOS && !RuntimeInformation.RuntimeIdentifier.StartsWith("iossimulator")
-                && !RuntimeInformation.RuntimeIdentifier.StartsWith("tvossimulator");
+                                                                     && !RuntimeInformation.RuntimeIdentifier.StartsWith("tvossimulator");
 
         public static bool IsThreadingSupported => !IsBrowser;
         public static bool IsBinaryFormatterSupported => IsNotMobile && !IsNativeAot;

src/libraries/System.IO.FileSystem/tests/Directory/GetFileSystemEntries_str_str.cs

@@ -4,7 +4,6 @@
 using System.Runtime.InteropServices;
 using Xunit;
 using System.Linq;
-using Microsoft.DotNet.XUnitExtensions;
 
 namespace System.IO.Tests
 {

src/libraries/System.IO.FileSystem/tests/File/Create.cs

@@ -2,9 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Linq;
-using System.Runtime.InteropServices;
 using Xunit;
-using Microsoft.DotNet.XUnitExtensions;
 
 namespace System.IO.Tests
 {

src/libraries/System.IO.Pipes/src/System/IO/Pipes/NamedPipeClientStream.cs

@@ -7,7 +7,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 using System.Diagnostics;
-using System.Runtime.InteropServices;
 
 namespace System.IO.Pipes
 {

src/libraries/System.IO.Pipes/src/System/IO/Pipes/PipeStream.Windows.cs

@@ -232,7 +232,6 @@ public override void EndWrite(IAsyncResult asyncResult)
 
         internal static string GetPipePath(string serverName, string pipeName)
         {
-
             string normalizedPipePath = Path.GetFullPath(@"\\" + serverName + @"\pipe\" + pipeName);
             if (string.Equals(normalizedPipePath, @"\\.\pipe\" + AnonymousPipeName, StringComparison.OrdinalIgnoreCase))
             {