public void Test()
{
var convention = new DelegateMemberMapConvention("test", m => m.SetElementName("blah"));
Assert.AreEqual("test", convention.Name);
var classMap = new BsonClassMap<TestClass>();
var member = classMap.MapMember(x => x.FirstName);
convention.Apply(member);
Assert.AreEqual("blah", member.ElementName);
}