public void AddDefaultServices_Executes_Once()
        {
            var services = new ServiceCollection();
            var builder  = new GenericSearchServicesBuilder(services);

            builder.AddDefaultServices();

            var count = services.Count;

            builder.AddDefaultServices();

            services.Count.Should().Be(count);
        }
        public void AddDefaultServices_Succeeds()
        {
            var services = new ServiceCollection();
            var builder  = new GenericSearchServicesBuilder(services);

            builder.AddDefaultServices();

            var provider = services.BuildServiceProvider();

            var configurationProvider = provider.GetService <IListConfigurationProvider>();

            configurationProvider.Should().NotBeNull();
        }