Fixed some build errors in the HighPerformance tests

Author: Sergio0694

UnitTests/UnitTests.HighPerformance.Shared/Buffers/Test_ArrayPoolBufferWriter{T}.cs

@@ -7,6 +7,7 @@
 using System.IO;
 using System.Linq;
 using System.Reflection;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.Toolkit.HighPerformance.Buffers;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using UnitTests.HighPerformance.Shared.Buffers;

UnitTests/UnitTests.HighPerformance.Shared/Extensions/Test_ArrayExtensions.3D.cs

@@ -3,6 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 using System.Runtime.CompilerServices;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace UnitTests.HighPerformance.Extensions

UnitTests/UnitTests.HighPerformance.Shared/Extensions/Test_ArrayPoolExtensions.cs

@@ -5,6 +5,7 @@
 using System;
 using System.Buffers;
 using System.Linq;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace UnitTests.HighPerformance.Extensions

UnitTests/UnitTests.HighPerformance.Shared/Extensions/Test_BoolExtensions.cs

@@ -3,6 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 using System;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace UnitTests.HighPerformance.Extensions

UnitTests/UnitTests.HighPerformance.Shared/Extensions/Test_HashCodeExtensions.cs

@@ -5,6 +5,7 @@
 using System;
 using System.Diagnostics.Contracts;
 using System.Runtime.InteropServices;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.Toolkit.HighPerformance.Helpers;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 

UnitTests/UnitTests.HighPerformance.Shared/Extensions/Test_IBufferWriterExtensions.cs

@@ -8,6 +8,7 @@
 #endif
 using System.IO;
 using System.Runtime.CompilerServices;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.Toolkit.HighPerformance.Buffers;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 

UnitTests/UnitTests.HighPerformance.Shared/Extensions/Test_IMemoryOwnerExtensions.cs

@@ -3,6 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 using System.IO;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.Toolkit.HighPerformance.Buffers;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 

UnitTests/UnitTests.HighPerformance.Shared/Extensions/Test_MemoryExtensions.cs

@@ -7,6 +7,7 @@
 using System.IO;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace UnitTests.HighPerformance.Extensions

UnitTests/UnitTests.HighPerformance.Shared/Extensions/Test_ReadOnlyMemoryExtensions.cs

@@ -4,6 +4,7 @@
 
 using System;
 using System.IO;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace UnitTests.HighPerformance.Extensions

UnitTests/UnitTests.HighPerformance.Shared/Streams/Test_IBufferWriterStream.cs

@@ -7,6 +7,7 @@
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Threading.Tasks;
+using Microsoft.Toolkit.HighPerformance;
 using Microsoft.Toolkit.HighPerformance.Buffers;
 using Microsoft.VisualStudio.TestTools.UnitTesting;