Function grin_wallet_api::run_doctest_owner

pub fn run_doctest_owner(
    request: Value,
    test_dir: &str,
    blocks_to_mine: u64,
    perform_tx: bool,
    lock_tx: bool,
    finalize_tx: bool,
    payment_proof: bool
) -> Result<Option<Value>, String>

helper to set up a real environment to run integrated doctests