NUnit testing dependencies

Extensions.cs

public static class TestExtensions
{
    private static readonly JsonSerializerOptions JsonSerializerOptions = new JsonSerializerOptions()
    {
        WriteIndented = true,
    };

    public static void ToConsole(this object? o)
    {
        if (o is null)
            return;

        var json = ToJson(o);
        Console.WriteLine(json);
    }

    public static string ToJson(this object? o)
    {
        if (o is null)
            return string.Empty;

        return JsonSerializer.Serialize(o, JsonSerializerOptions);
    }
}

Project.csproj

<ItemGroup>
  <PackageReference Include="nunit" Version="3.13.1" />
  <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
  <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
  <PackageReference Include="FluentAssertions" Version="5.10.3" />
  <PackageReference Include="System.Runtime.Serialization.Json" Version="4.3.0" />
</ItemGroup>