fix unit tests

Author: vgromfeld

UnitTests/UnitTests.UWP/UnitTestApp.xaml

@@ -1,28 +1,27 @@
 <Application x:Class="UnitTests.App"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:controls="using:Microsoft.Toolkit.Uwp.UI.Controls"
              xmlns:extensions="using:Microsoft.Toolkit.Uwp.UI.Extensions"
+             xmlns:helpers="using:UnitTests.Extensions.Helpers"
              xmlns:unitTestExtensions="using:UnitTests.Extensions"
-             RequestedTheme="Light" >
+             RequestedTheme="Light">
     <Application.Resources>
 
-        <!-- Workarounds for .NET Native issue in unit tests -->
+        <!--  Workarounds for .NET Native issue in unit tests  -->
         <CommandBar x:Key="DummyCommandBar">
-            <AppBarButton Icon="{extensions:FontIcon Glyph=&#xE102;}"/>
-            <AppBarButton Icon="{extensions:SymbolIcon Symbol=Play}"/>
+            <AppBarButton Icon="{extensions:FontIcon Glyph=&#xE102;}" />
+            <AppBarButton Icon="{extensions:SymbolIcon Symbol=Play}" />
         </CommandBar>
 
-        <unitTestExtensions:MockSwipeItem
-            x:Key="DummySwipeControl1"
-            IconSource="{extensions:FontIconSource Glyph=&#xE10B;}"/>
+        <unitTestExtensions:MockSwipeItem x:Key="DummySwipeControl1"
+                                          IconSource="{extensions:FontIconSource Glyph=&#xE10B;}" />
 
-        <unitTestExtensions:MockSwipeItem
-            x:Key="DummySwipeControl2"
-            IconSource="{extensions:SymbolIconSource Symbol=Play}"/>
+        <unitTestExtensions:MockSwipeItem x:Key="DummySwipeControl2"
+                                          IconSource="{extensions:SymbolIconSource Symbol=Play}" />
 
-        <unitTestExtensions:MockSwipeItem
-            x:Key="DummySwipeControl3"
-            IconSource="{extensions:BitmapIconSource Source=/Assets/StoreLogo.png}"/>
+        <unitTestExtensions:MockSwipeItem x:Key="DummySwipeControl3"
+                                          IconSource="{extensions:BitmapIconSource Source=/Assets/StoreLogo.png}" />
 
         <Button x:Key="DummyButton">
             <Button.Flyout>
@@ -31,5 +30,11 @@
                 </MenuFlyout>
             </Button.Flyout>
         </Button>
+
+        <Style TargetType="controls:UniformGrid" />
+        <extensions:NullableBool x:Key="nullableBool" />
+
+        <helpers:ObjectWithNullableBoolProperty x:Key="objectWithNullableBoolProperty" />
+
     </Application.Resources>
 </Application>