Fix up ILSpy.Tests + <Project> tag for all projects

ILSpy.ReadyToRun/ILSpy.ReadyToRun.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <AssemblyName>ILSpy.ReadyToRun.Plugin</AssemblyName>

ILSpy.Tests/ILSpy.Tests.csproj

@@ -3,6 +3,8 @@
 
   <PropertyGroup>
     <TargetFramework>net6.0-windows</TargetFramework>
+    <IsPackable>false</IsPackable>
+    <StartupObject>AutoGeneratedProgram</StartupObject>
 
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
 
@@ -12,9 +14,7 @@
 
     <EnableDefaultItems>false</EnableDefaultItems>
 
-    <OutputType>Exe</OutputType>
     <RootNamespace>ICSharpCode.ILSpy.Tests</RootNamespace>
-    <StartupObject>ICSharpCode.ILSpy.Tests.Stub</StartupObject>
     <AutoGenerateBindingRedirects>True</AutoGenerateBindingRedirects>
 
     <SignAssembly>True</SignAssembly>
@@ -53,6 +53,7 @@
     <PackageReference Include="Microsoft.CodeAnalysis.VisualBasic" Version="$(RoslynVersion)" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkVersion)" />
     <PackageReference Include="NUnit3TestAdapter" Version="$(NUnitAdapterVersion)" />
+    <PackageReference Include="coverlet.collector" Version="$(CoverletCollectorVersion)" />
     <PackageReference Include="NUnit" Version="$(NUnitVersion)" />
     <PackageReference Include="Moq" Version="$(MoqVersion)" />
   </ItemGroup>
@@ -62,8 +63,4 @@
     <ProjectReference Include="..\ILSpy\ILSpy.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
-  </ItemGroup>
-
 </Project>

ILSpy.Tests/Stub.cs

@@ -22,10 +22,6 @@ namespace ICSharpCode.ILSpy.Tests
 {
 	public static class Stub
 	{
-		static void Main(string[] args)
-		{
-		}
-
 		static readonly object sync = new object();
 
 		internal static void SetupApplication()

ILSpy/ILSpy.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>

SharpTreeView/ICSharpCode.TreeView.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <UseWpf>true</UseWpf>
@@ -8,7 +8,7 @@
     <TargetFramework>net6.0-windows</TargetFramework>
     <AssemblyOriginatorKeyFile>..\ICSharpCode.Decompiler\ICSharpCode.Decompiler.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
-  
+
   <PropertyGroup Condition="'$(Configuration)' == 'Debug'">
     <DebugType>full</DebugType>
     <DebugSymbols>true</DebugSymbols>

TestPlugin/TestPlugin.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0-windows</TargetFramework>
     <AssemblyName>Test.Plugin</AssemblyName>