public void add_odata_api_explorer_should_configure_mvc()
{
// arrange
var services = new ServiceCollection();
// act
services.AddODataApiExplorer();
// assert
services.Single(sd => sd.ServiceType == typeof(IApiVersionDescriptionProvider)).ImplementationType.Should().Be(typeof(DefaultApiVersionDescriptionProvider));
services.Single(sd => sd.ImplementationType == typeof(VersionedApiDescriptionProvider)).ServiceType.Should().Be(typeof(IApiDescriptionProvider));
services.Single(sd => sd.ImplementationType == typeof(ODataApiDescriptionProvider)).ServiceType.Should().Be(typeof(IApiDescriptionProvider));
}