Ensure hardware intrinsic tests are marked with [Fact] (#117347)

Author: tannergooding

src/tests/JIT/HardwareIntrinsics/X86/Sse2/ConvertToInt32WithTruncation.Int32.cs

@@ -13,12 +13,14 @@
 using System.Runtime.InteropServices;
 using System.Runtime.Intrinsics;
 using System.Runtime.Intrinsics.X86;
+using Xunit;
 
 namespace JIT.HardwareIntrinsics.X86
 {
     public static partial class Program
     {
-        private static void ConvertToInt32WithTruncationInt32Vector128Double()
+        [Fact]
+        public static void ConvertToInt32WithTruncationInt32Vector128Double()
         {
             var test = new SimdScalarUnaryOpConvertTest__ConvertToInt32WithTruncationInt32Vector128Double();
 

src/tests/JIT/HardwareIntrinsics/X86/Sse2/ConvertToInt64WithTruncation.Vector128Double.cs

@@ -13,12 +13,14 @@
 using System.Runtime.InteropServices;
 using System.Runtime.Intrinsics;
 using System.Runtime.Intrinsics.X86;
+using Xunit;
 
 namespace JIT.HardwareIntrinsics.X86
 {
     public static partial class Program
     {
-        private static void ConvertToInt64WithTruncationVector128Double()
+        [Fact]
+        public static void ConvertToInt64WithTruncationVector128Double()
         {
             var test = new SimdScalarUnaryOpConvertTest__ConvertToInt64WithTruncationVector128Double();
 

src/tests/JIT/HardwareIntrinsics/X86/Sse2/ConvertToUInt64.Vector128UInt64.cs

@@ -13,12 +13,14 @@
 using System.Runtime.InteropServices;
 using System.Runtime.Intrinsics;
 using System.Runtime.Intrinsics.X86;
+using Xunit;
 
 namespace JIT.HardwareIntrinsics.X86
 {
     public static partial class Program
     {
-        private static void ConvertToUInt64Vector128UInt64()
+        [Fact]
+        public static void ConvertToUInt64Vector128UInt64()
         {
             var test = new SimdScalarUnaryOpConvertTest__ConvertToUInt64Vector128UInt64();
 

src/tests/JIT/HardwareIntrinsics/X86/Sse2/ConvertToVector128Double.Double.cs

@@ -13,12 +13,14 @@
 using System.Runtime.InteropServices;
 using System.Runtime.Intrinsics;
 using System.Runtime.Intrinsics.X86;
+using Xunit;
 
 namespace JIT.HardwareIntrinsics.X86
 {
     public static partial class Program
     {
-        private static void ConvertToVector128DoubleDoubleVector128Int32()
+        [Fact]
+        public static void ConvertToVector128DoubleDoubleVector128Int32()
         {
             var test = new SimpleUnaryOpConvTest__ConvertToVector128DoubleDoubleVector128Int32();