in src/tests.rs [250:256]
fn test_smt() {
Tester::<node_template::SumNodeSmt>::test();
Tester::<node_template::HashNodeSmt<blake3::Hasher>>::test();
Tester::<node_template::HashNodeSmt<blake2::Blake2b>>::test();
Tester::<node_template::HashNodeSmt<sha2::Sha256>>::test();
Tester::<node_template::HashNodeSmt<sha3::Sha3_256>>::test();
}