Function add_user

tests/integration/src/utils.rs:365–378

(
    env: &PocketIc,
    identity: Principal,
    group_ids: Vec<String>,
    station_canister_id: Principal,
)

}

pub fn add_user(
    env: &PocketIc,
    identity: Principal,
    group_ids: Vec<String>,
    station_canister_id: Principal,
) -> UserDTO {
    add_user_with_name(
        env,
        identity.to_text().to_string(),
        identity,
        group_ids,
        station_canister_id,
    )
}

pub fn add_user_with_name(
    env: &PocketIc,