private static void CheckPersons(IDocumentCollection <Person> collection)
{
var person = collection.Find(_ => _.Id == "2").First();
person.Should().NotBeNull();
person.FirstName.Should().Be("Steve");
person.LastName.Should().Be("Ballmer");
person = collection.Get("1");
person.Should().NotBeNull();
person.FirstName.Should().Be("Bill");
person.LastName.Should().Be("Gates");
}
