Read configuration from UnitTest .netCore

BaseTestWithConfiguration.cs

[TestClass]
public class BaseTestWithConfiguration
{
    /// <summary>
    /// Reads values from local.settings of the main project
    /// </summary>
    static void ConfigureEnvironmentVariablesFromLocalSettings()
    {
        var path = Path.GetDirectoryName(typeof(Startup).Assembly.Location);
        var json = File.ReadAllText(Path.Join(path, "local.settings.json"));
        var parsed = Newtonsoft.Json.Linq.JObject.Parse(json).Value<Newtonsoft.Json.Linq.JObject>("Values");

        foreach (var item in parsed)
        {
            Environment.SetEnvironmentVariable(item.Key, item.Value.ToString());
        }
    }

    public  ILogHelper GetLogger() => new LogHelper(NullLogger.Instance, null);

    public IConfigurationRoot BuildConfiguration()
    {
        ConfigureEnvironmentVariablesFromLocalSettings();
        
        var configurationBuilder = new ConfigurationBuilder()
            .SetBasePath(Directory.GetCurrentDirectory())
            .AddEnvironmentVariables();
        var config = configurationBuilder.Build();
        return config;
    }

    public T BindConfigSection<T>(IConfigurationRoot config, string name) where T : class
    {
        var instance = Activator.CreateInstance<T>();
        
        var section = config.GetSection(name);
        section.Bind(instance);
        
        return instance;
    }
}