public void Test_reference_equals_1(string filename)
{
var services = new ServiceCollection();
var configuration = ConfigurationTestBuilder.BuildFromEmbeddedResource(filename);
var sectionName = SettingsSectionNameAttribute.GetSettingsSectionName <AttributeValidatedSettings>();
var configurationSection = configuration.GetSection(sectionName);
// This is the standard way, it results in lazy validation
services.AddOptions <AttributeValidatedSettings>()
.Bind(configurationSection)
.RecursivelyValidateDataAnnotations();
var serviceProvider = services.BuildServiceProvider();
var result1 = serviceProvider.GetRequiredService <IOptions <AttributeValidatedSettings> >().Value;
var result2 = serviceProvider.GetRequiredService <IOptions <AttributeValidatedSettings> >().Value;
Assert.True(object.ReferenceEquals(result1, result2));
}