diff --git a/components/Notifications/tests/TestAssertHelper.cs b/components/Notifications/tests/TestAssertHelper.cs
index 7977768c..38cd7bc5 100644
--- a/components/Notifications/tests/TestAssertHelper.cs
+++ b/components/Notifications/tests/TestAssertHelper.cs
@@ -10,6 +10,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/TestMail.cs b/components/Notifications/tests/TestMail.cs
index 5a56fb75..54fa9502 100644
--- a/components/Notifications/tests/TestMail.cs
+++ b/components/Notifications/tests/TestMail.cs
@@ -5,6 +5,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/TestTileContentBuilder.cs b/components/Notifications/tests/TestTileContentBuilder.cs
index 179b626c..a4290f7a 100644
--- a/components/Notifications/tests/TestTileContentBuilder.cs
+++ b/components/Notifications/tests/TestTileContentBuilder.cs
@@ -6,6 +6,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/TestToastArguments.cs b/components/Notifications/tests/TestToastArguments.cs
index 4a52aa01..8baa44c1 100644
--- a/components/Notifications/tests/TestToastArguments.cs
+++ b/components/Notifications/tests/TestToastArguments.cs
@@ -8,6 +8,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/TestToastContentBuilder.cs b/components/Notifications/tests/TestToastContentBuilder.cs
index b786c65e..2685cc4b 100644
--- a/components/Notifications/tests/TestToastContentBuilder.cs
+++ b/components/Notifications/tests/TestToastContentBuilder.cs
@@ -7,6 +7,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/TestWeather.cs b/components/Notifications/tests/TestWeather.cs
index 2ae75f69..6757595c 100644
--- a/components/Notifications/tests/TestWeather.cs
+++ b/components/Notifications/tests/TestWeather.cs
@@ -5,6 +5,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/Test_Adaptive_Xml.cs b/components/Notifications/tests/Test_Adaptive_Xml.cs
index ff0447af..c6403c65 100644
--- a/components/Notifications/tests/Test_Adaptive_Xml.cs
+++ b/components/Notifications/tests/Test_Adaptive_Xml.cs
@@ -6,6 +6,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/Test_Badge_Xml.cs b/components/Notifications/tests/Test_Badge_Xml.cs
index 8dcab5e5..33d8a479 100644
--- a/components/Notifications/tests/Test_Badge_Xml.cs
+++ b/components/Notifications/tests/Test_Badge_Xml.cs
@@ -5,6 +5,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/Test_Tile_Xml.cs b/components/Notifications/tests/Test_Tile_Xml.cs
index 745248c1..d0193526 100644
--- a/components/Notifications/tests/Test_Tile_Xml.cs
+++ b/components/Notifications/tests/Test_Tile_Xml.cs
@@ -6,6 +6,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/Test_Toast_Xml.cs b/components/Notifications/tests/Test_Toast_Xml.cs
index 32877130..124f92b5 100644
--- a/components/Notifications/tests/Test_Toast_Xml.cs
+++ b/components/Notifications/tests/Test_Toast_Xml.cs
@@ -6,6 +6,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {
diff --git a/components/Notifications/tests/TextXboxModern.cs b/components/Notifications/tests/TextXboxModern.cs
index e98a1220..3334d203 100644
--- a/components/Notifications/tests/TextXboxModern.cs
+++ b/components/Notifications/tests/TextXboxModern.cs
@@ -5,6 +5,8 @@
 using CommunityToolkit.Notifications;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
+#if WINDOWS_UWP
+
 #nullable disable
 namespace NotificationsExperiment.Tests
 {