public when_deriving_the_table_definition_from_the_database_schema_Tests()
{
ConnectionSource.CleanBasicDocuments();
_schema = _container.GetInstance <DocumentSchema>();
theMapping = _schema.MappingFor(typeof(User)).As <DocumentMapping>();
theMapping.DuplicateField("UserName");
_storage = _schema.StorageFor(typeof(User));
theDerivedTable = _schema.TableSchema(theMapping.TableName);
}