Fix up Baml decompiler unit test project

ILSpy.BamlDecompiler.Tests/ILSpy.BamlDecompiler.Tests.csproj

@@ -1,17 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <IsPackable>false</IsPackable>
+    <StartupObject>AutoGeneratedProgram</StartupObject>
     <GenerateAssemblyInfo>False</GenerateAssemblyInfo>
 
     <EnableDefaultItems>false</EnableDefaultItems>
     <UseWpf>true</UseWpf>
-    <TargetFramework>net6.0-windows</TargetFramework>
+
     <ExtrasEnableDefaultPageItems>false</ExtrasEnableDefaultPageItems>
     <ExtrasEnableDefaultResourceItems>false</ExtrasEnableDefaultResourceItems>
 
-    <OutputType>Exe</OutputType>
-    <StartupObject>ILSpy.BamlDecompiler.Tests.Stub</StartupObject>
     <AutoGenerateBindingRedirects>True</AutoGenerateBindingRedirects>
   </PropertyGroup>
 
@@ -38,6 +39,8 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkVersion)" />
     <PackageReference Include="NUnit" Version="$(NUnitVersion)" />
+    <PackageReference Include="NUnit3TestAdapter" Version="$(NUnitAdapterVersion)" />
+    <PackageReference Include="coverlet.collector" Version="$(CoverletCollectorVersion)" />
   </ItemGroup>
 
   <ItemGroup>

ILSpy.BamlDecompiler/ILSpy.BamlDecompiler.csproj

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AssemblyName>ILSpy.BamlDecompiler.Plugin</AssemblyName>
     <TargetFramework>net6.0-windows</TargetFramework>
+    <IsPackable>false</IsPackable>
     <GenerateAssemblyInfo>False</GenerateAssemblyInfo>
     <BaseAddress>6488064</BaseAddress>
     <UseWpf>true</UseWpf>

ILSpy.ReadyToRun/ILSpy.ReadyToRun.csproj

@@ -8,6 +8,7 @@
     <NeutralResourcesLanguage>en-US</NeutralResourcesLanguage>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
     <UseWpf>true</UseWpf>
+    <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Debug'">