Add Test case for run the wpf application in the folder whose name contains NumberSign

src/Test/AppModel/DRT/ContentFilePart/FolderPathWithNumberSignCharacter/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

src/Test/AppModel/DRT/ContentFilePart/FolderPathWithNumberSignCharacter/DrtFolderPathWithNumberSignCharacter.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <OutputPath>$(RepoRoot)\artifacts\bin\DrtFolderPathWithNumberSignCharacter\$(Configuration)\$(RuntimeIdentifier)\FolderPathWith#Character</OutputPath>
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
+    <LinkSubsystem>console</LinkSubsystem>
+    <AssemblyIdentityVersionName>WCP</AssemblyIdentityVersionName>
+    <TestCode>true</TestCode>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="AssemblyInfo.cs" />
+    <Compile Include="MainWindow.xaml.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Include="Image.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Page Include="MainWindow.xaml">
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
+  </ItemGroup>
+
+</Project>

src/Test/AppModel/DRT/ContentFilePart/FolderPathWithNumberSignCharacter/MainWindow.xaml

@@ -0,0 +1,12 @@
+<Window x:Class="DrtFolderPathWithNumberSignCharacter.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:DrtFolderPathWithNumberSignCharacter"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800" Icon="Image.png">
+    <Grid>
+
+    </Grid>
+</Window>

src/Test/AppModel/DRT/ContentFilePart/FolderPathWithNumberSignCharacter/MainWindow.xaml.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace DrtFolderPathWithNumberSignCharacter
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+        [STAThread]
+        static void Main(string[] args)
+        {
+            Application application = new Application();
+            application.Run(new MainWindow());
+        }
+    }
+}

src/Test/BranchCommon/data/DrtList.xml

@@ -43,6 +43,7 @@ Rundrtlist
   <Drt Executable="DrtWindowHeightWidthTopLeft.exe" Architecture="all" OS="all" Owner="Microsoft" Team="AppModel" />
   <Drt Executable="DrtWindowDragMove.exe" Architecture="all" OS="all" Owner="Microsoft" Team="AppModel" />
   <Drt Executable="DrtAppShutdown.exe" Architecture="all" OS="all" Owner="Microsoft" Team="AppModel" />
+  <Drt Executable="DrtFolderPathWithNumberSignCharacter.exe" Architecture="all" OS="all" Owner="Microsoft" Team="AppModel" />
   <Drt Executable="DrtAppThreadingModel.exe" Architecture="all" OS="all" Owner="Microsoft" Team="AppModel" />
   <Drt Executable="DrtApplicationEvents.cmd" Architecture="all" OS="all" Owner="Microsoft" Team="AppModel" >
     <SupportFiles>