Add IoC and Mock DB to xunit test

startup.cs

public static void ConfigureServices(IServiceCollection services)
{
    services.AddUnitTestServices();
    var result = services.BuildServiceProvider();
    DI.Initialize(result);
    InitializeDatabase();
}
private static void InitializeDatabase()
{
    var db = DI.GetService<InfraWriteDbContext>();
    _ = db.Database.EnsureDeleted();
    _ = db.Database.EnsureCreated();
    // Initial Seed Database
   _ = db.SaveChanges();
}
    
internal static class ServiceCollectionExtensions
{
    public static void AddUnitTestServices(this IServiceCollection services)
    {
        var inMemoryDatabaseRoot = new InMemoryDatabaseRoot();
        _ = services
                .AddDbContext<InfraWriteDbContext>(options => options.UseInMemoryDatabase("MesInfra", inMemoryDatabaseRoot)
                                                                     .ConfigureWarnings(x => x.Ignore(InMemoryEventId.TransactionIgnoredWarning)))
                .AddDbContext<InfraReadDbContext>(options => options.UseInMemoryDatabase("MesInfra", inMemoryDatabaseRoot));
    }
}

test.csproj

<ItemGroup>
	<PackageReference Include="Xunit.DependencyInjection" Version="8.9.1" />
	<PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.1" />
</ItemGroup>	

xunit.runner.json

{
    "appDomain": true
}