class Spec::Runner::Formatter::NestedTextFormatter

def described_example_group_chain
  example_group_chain = []
  example_group.send(:execute_in_class_hierarchy) do |parent_example_group|
    if parent_example_group.description_args && !parent_example_group.description_args.empty?
      example_group_chain << parent_example_group
    end
  end
  example_group_chain
end