in src/version_map.rs [216:225]
fn test_invalid_root_version() {
let mut vm = VersionMap::new();
vm.new_version().set_type_version(TypeId::of::<MyType>(), 2);
assert_eq!(vm.get_type_version(0, TypeId::of::<MyType>()), 2);
assert_eq!(vm.latest_version(), 2);
assert_eq!(vm.get_type_version(129, TypeId::of::<MyType>()), 2);
assert_eq!(vm.get_type_version(1, TypeId::of::<MyType>()), BASE_VERSION);
}