def METHOD_NAME(self, node="clickhouse1", stress=None, parallel=None):
    """Check the RBAC functionality of ALTER FETCH.
    """
    self.context.node = self.context.cluster.node(node)
    if parallel is not None:
        self.context.parallel = parallel
    if stress is not None:
        self.context.stress = stress
    for example in self.examples:
        table_type, = example
        if table_type != "ReplicatedMergeTree-sharded_cluster" and not self.context.stress:
            continue
        with Example(str(example)):
            for alias in aliases:
                with Suite(alias, test=privilege_granted_directly_or_via_role):
                    privilege_granted_directly_or_via_role(table_type=table_type, privilege=alias)