Fix missing parts

Author: sailro

Packages/com.unity.ide.visualstudio.tests/Tests/Editor/CSProjectTests.cs

@@ -156,7 +156,7 @@ public void DefaultSyncSettings_WhenSynced_CreatesProjectFileFromDefaultTemplate
 					"  <PropertyGroup Condition=\" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' \">",
 					"    <DebugType>pdbonly</DebugType>",
 					"    <Optimize>true</Optimize>",
-					"    <OutputPath>Temp\\bin\\Release\\</OutputPath>",
+					$"    <OutputPath>{@"Temp\bin\Release\".NormalizePathSeparators()}</OutputPath>",
 					"    <ErrorReport>prompt</ErrorReport>",
 					"    <WarningLevel>4</WarningLevel>",
 					"    <NoWarn>0169;USG0001</NoWarn>",
@@ -183,7 +183,7 @@ public void DefaultSyncSettings_WhenSynced_CreatesProjectFileFromDefaultTemplate
 					"  </ItemGroup>",
 					"  <ItemGroup>",
 					"  </ItemGroup>",
-					"  <Import Project=\"$(MSBuildToolsPath)\\Microsoft.CSharp.targets\" />",
+					$"  <Import Project=\"{@"$(MSBuildToolsPath)\Microsoft.CSharp.targets".NormalizePathSeparators()}\" />",
 					"  <Target Name=\"GenerateTargetFrameworkMonikerAttribute\" />",
 					"  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.",
 					"       Other similar extension points exist, see Microsoft.Common.targets.",

Packages/com.unity.ide.visualstudio/Editor/ProjectGeneration/LegacyStyleProjectGeneration.cs

@@ -84,7 +84,7 @@ internal override void AppendProjectReference(Assembly assembly, Assembly refere
 		internal override void GetProjectFooter(StringBuilder footerBuilder)
 		{
 			footerBuilder.Append(string.Join(k_WindowsNewline,
-				@"  <Import Project=""$(MSBuildToolsPath)\Microsoft.CSharp.targets"" />",
+				$"  <Import Project=\"{@"$(MSBuildToolsPath)\Microsoft.CSharp.targets".NormalizePathSeparators()}\" />",
 				@"  <Target Name=""GenerateTargetFrameworkMonikerAttribute"" />",
 				@"  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.",
 				@"       Other similar extension points exist, see Microsoft.Common.targets.",