diff --git a/src/coreclr/tests/src/Interop/ArrayMarshalling/ByValArray/MarshalArrayByValTest.csproj b/src/coreclr/tests/src/Interop/ArrayMarshalling/ByValArray/MarshalArrayByValTest.csproj
index ee1cd5389278e3..ba1b552e24c20b 100644
--- a/src/coreclr/tests/src/Interop/ArrayMarshalling/ByValArray/MarshalArrayByValTest.csproj
+++ b/src/coreclr/tests/src/Interop/ArrayMarshalling/ByValArray/MarshalArrayByValTest.csproj
@@ -10,4 +10,7 @@
     <ProjectReference Include="$(SourceDir)Common/CoreCLRTestLibrary/CoreCLRTestLibrary.csproj" />
     <ProjectReference Include="CMakeLists.txt" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
 </Project>
diff --git a/src/coreclr/tests/src/Interop/COM/NativeClients/DefaultInterfaces.csproj b/src/coreclr/tests/src/Interop/COM/NativeClients/DefaultInterfaces.csproj
index 882f7fe653e621..71c54fb39b45c4 100644
--- a/src/coreclr/tests/src/Interop/COM/NativeClients/DefaultInterfaces.csproj
+++ b/src/coreclr/tests/src/Interop/COM/NativeClients/DefaultInterfaces.csproj
@@ -16,5 +16,8 @@
     <ProjectReference Include="../NetServer/NetServer.DefaultInterfaces.ilproj" />
     <ProjectReference Include="$(SourceDir)Common/CoreCLRTestLibrary/CoreCLRTestLibrary.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Interop.settings.targets))\Interop.settings.targets" />
 </Project>
diff --git a/src/coreclr/tests/src/Interop/COM/NativeClients/Dispatch.csproj b/src/coreclr/tests/src/Interop/COM/NativeClients/Dispatch.csproj
index c91e4edcce3692..2ac1c835eb20a8 100644
--- a/src/coreclr/tests/src/Interop/COM/NativeClients/Dispatch.csproj
+++ b/src/coreclr/tests/src/Interop/COM/NativeClients/Dispatch.csproj
@@ -16,5 +16,8 @@
     <ProjectReference Include="../NetServer/NetServer.csproj" />
     <ProjectReference Include="$(SourceDir)Common/CoreCLRTestLibrary/CoreCLRTestLibrary.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Interop.settings.targets))\Interop.settings.targets" />
 </Project>
diff --git a/src/coreclr/tests/src/Interop/COM/NativeClients/Licensing.csproj b/src/coreclr/tests/src/Interop/COM/NativeClients/Licensing.csproj
index 8753c25afe6269..300d5999948ee3 100644
--- a/src/coreclr/tests/src/Interop/COM/NativeClients/Licensing.csproj
+++ b/src/coreclr/tests/src/Interop/COM/NativeClients/Licensing.csproj
@@ -16,5 +16,8 @@
     <ProjectReference Include="../NetServer/NetServer.csproj" />
     <ProjectReference Include="$(SourceDir)Common/CoreCLRTestLibrary/CoreCLRTestLibrary.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Interop.settings.targets))\Interop.settings.targets" />
 </Project>
diff --git a/src/coreclr/tests/src/Interop/COM/NativeClients/Primitives.csproj b/src/coreclr/tests/src/Interop/COM/NativeClients/Primitives.csproj
index a968d95a74fafb..44b33dbc7895e6 100644
--- a/src/coreclr/tests/src/Interop/COM/NativeClients/Primitives.csproj
+++ b/src/coreclr/tests/src/Interop/COM/NativeClients/Primitives.csproj
@@ -16,5 +16,8 @@
     <ProjectReference Include="../NetServer/NetServer.csproj" />
     <ProjectReference Include="$(SourceDir)Common/CoreCLRTestLibrary/CoreCLRTestLibrary.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Interop.settings.targets))\Interop.settings.targets" />
 </Project>
diff --git a/src/coreclr/tests/src/Interop/DllImportAttribute/DllImportPath/DllImportPathTest.csproj b/src/coreclr/tests/src/Interop/DllImportAttribute/DllImportPath/DllImportPathTest.csproj
index 991a4c7f003cb1..b81fa6566da5f4 100644
--- a/src/coreclr/tests/src/Interop/DllImportAttribute/DllImportPath/DllImportPathTest.csproj
+++ b/src/coreclr/tests/src/Interop/DllImportAttribute/DllImportPath/DllImportPathTest.csproj
@@ -20,4 +20,7 @@
   <ItemGroup>
     <ProjectReference Include="CMakeLists.txt" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
 </Project>
diff --git a/src/coreclr/tests/src/Interop/DllImportAttribute/ExactSpelling/ExactSpellingTest.csproj b/src/coreclr/tests/src/Interop/DllImportAttribute/ExactSpelling/ExactSpellingTest.csproj
index a881b9b31b1cf3..3f5d395392ca52 100644
--- a/src/coreclr/tests/src/Interop/DllImportAttribute/ExactSpelling/ExactSpellingTest.csproj
+++ b/src/coreclr/tests/src/Interop/DllImportAttribute/ExactSpelling/ExactSpellingTest.csproj
@@ -8,4 +8,7 @@
   <ItemGroup>
     <ProjectReference Include="CMakeLists.txt" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
 </Project>
diff --git a/src/coreclr/tests/src/Interop/ICustomMarshaler/Primitives/ICustomMarshaler.csproj b/src/coreclr/tests/src/Interop/ICustomMarshaler/Primitives/ICustomMarshaler.csproj
index b2cde734f276bd..4d561ff8ff0e0f 100644
--- a/src/coreclr/tests/src/Interop/ICustomMarshaler/Primitives/ICustomMarshaler.csproj
+++ b/src/coreclr/tests/src/Interop/ICustomMarshaler/Primitives/ICustomMarshaler.csproj
@@ -10,4 +10,7 @@
     <Compile Include="ICustomMarshaler.cs" />
     <Compile Include="..\..\common\XunitBase.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
 </Project>
diff --git a/src/coreclr/tests/src/Interop/NativeLibraryResolveCallback/CallbackStressTest.csproj b/src/coreclr/tests/src/Interop/NativeLibraryResolveCallback/CallbackStressTest.csproj
index 3d0602d1f767f5..e7e11ee01e7142 100644
--- a/src/coreclr/tests/src/Interop/NativeLibraryResolveCallback/CallbackStressTest.csproj
+++ b/src/coreclr/tests/src/Interop/NativeLibraryResolveCallback/CallbackStressTest.csproj
@@ -11,4 +11,7 @@
   <ItemGroup>
     <ProjectReference Include="CMakeLists.txt" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
 </Project>
diff --git a/src/coreclr/tests/src/JIT/Directed/arglist/vararg.csproj b/src/coreclr/tests/src/JIT/Directed/arglist/vararg.csproj
index b72c45f965b22f..7cbbd08c1d318c 100644
--- a/src/coreclr/tests/src/JIT/Directed/arglist/vararg.csproj
+++ b/src/coreclr/tests/src/JIT/Directed/arglist/vararg.csproj
@@ -17,4 +17,7 @@
   <ItemGroup>
     <ProjectReference Include="CMakeLists.txt" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
 </Project>
diff --git a/src/coreclr/tests/src/JIT/Regression/JitBlue/GitHub_23199/GitHub_23199.csproj b/src/coreclr/tests/src/JIT/Regression/JitBlue/GitHub_23199/GitHub_23199.csproj
index 38181f5860993b..d6c834894698b3 100644
--- a/src/coreclr/tests/src/JIT/Regression/JitBlue/GitHub_23199/GitHub_23199.csproj
+++ b/src/coreclr/tests/src/JIT/Regression/JitBlue/GitHub_23199/GitHub_23199.csproj
@@ -23,4 +23,7 @@ export COMPlus_GcStressOnDirectCalls=1
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="BitSpecific" />
+  </ItemGroup>
 </Project>
diff --git a/src/coreclr/tests/src/JIT/SIMD/VectorConvert_r.csproj b/src/coreclr/tests/src/JIT/SIMD/VectorConvert_r.csproj
index 8d464e57f320c1..902e992a37987f 100644
--- a/src/coreclr/tests/src/JIT/SIMD/VectorConvert_r.csproj
+++ b/src/coreclr/tests/src/JIT/SIMD/VectorConvert_r.csproj
@@ -13,4 +13,7 @@
     <Compile Include="VectorConvert.cs" />
     <Compile Include="VectorUtil.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="BitSpecific" />
+  </ItemGroup>
 </Project>
diff --git a/src/coreclr/tests/src/JIT/SIMD/VectorConvert_ro.csproj b/src/coreclr/tests/src/JIT/SIMD/VectorConvert_ro.csproj
index ca4b86157e9926..9fa4314423cad6 100644
--- a/src/coreclr/tests/src/JIT/SIMD/VectorConvert_ro.csproj
+++ b/src/coreclr/tests/src/JIT/SIMD/VectorConvert_ro.csproj
@@ -13,4 +13,7 @@
     <Compile Include="VectorConvert.cs" />
     <Compile Include="VectorUtil.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="BitSpecific" />
+  </ItemGroup>
 </Project>
diff --git a/src/coreclr/tests/src/baseservices/exceptions/WindowsEventLog/WindowsEventLog.csproj b/src/coreclr/tests/src/baseservices/exceptions/WindowsEventLog/WindowsEventLog.csproj
index 8fa27cda445fcc..c6a5f9d0472203 100644
--- a/src/coreclr/tests/src/baseservices/exceptions/WindowsEventLog/WindowsEventLog.csproj
+++ b/src/coreclr/tests/src/baseservices/exceptions/WindowsEventLog/WindowsEventLog.csproj
@@ -11,4 +11,7 @@
   <ItemGroup>
     <Compile Include="$(MSBuildProjectName).cs" />
   </ItemGroup>
+  <ItemGroup>
+    <TraitTags Include="OsSpecific" />
+  </ItemGroup>
 </Project>