fn set_user_shielding_key() {
    // 1. Create Api client with signer
    let alice = sr25519::Pair::from_string("//Alice", None).unwrap();
    let api_client = ApiClient::new_with_signer(alice);

    // 2. Setting user shielding key
    let shard = api_client.get_shard().unwrap();
    let user_shielding_key = generate_user_shielding_key();
    api_client.set_user_shielding_key(&shard, &user_shielding_key);

    // 3. Wait event
    let event = api_client.wait_event::<SetUserShieldingKeyEvent>();
    assert!(event.is_ok());
}