Select the sequence based on scenario and subcommand of the provided
        scenario object and returns a list.

        :param scenario: A scenario object.
        :param skipped: An optional bool to include skipped scenarios.
        :return: list

def sequence(self):
        """
        Select the sequence based on scenario and subcommand of the provided
        scenario object and returns a list.

        :param scenario: A scenario object.
        :param skipped: An optional bool to include skipped scenarios.
        :return: list
        """
        s = scenarios.Scenarios([self.config])
        matrix = s._get_matrix()

        try:
            return matrix[self.name][self.config.subcommand]
        except KeyError:
            # TODO(retr0h): May change this handling in the future.
            return []