<Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <TargetFramework>net5.0</TargetFramework> <Nullable>enable</Nullable> </PropertyGroup> <ItemGroup> <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4" /> <PackageReference Include="xunit" Version="2.4.1" /> <PackageReference Include="Shouldly" Version="4.0.3" /> </ItemGroup> </Project>