def METHOD_NAME(
    state_test: StateTestFiller,
    pre: Mapping[str, Account],
    post: Mapping[str, Account],
    tx: Transaction,
):
    """
    Perform MCOPY operations that expand the memory, and verify the gas it costs to do so.
    """
    state_test(
        env=Environment(),
        pre=pre,
        post=post,
        txs=[tx],
    )