example_group_started (Spec::Runner::Formatter::NestedTextFormatter)

    # File lib/spec/runner/formatter/nested_text_formatter.rb, line 12
            def example_group_started(example_group)
              super

              example_group.nested_descriptions.each_with_index do |nested_description, i|
                unless nested_description == @last_nested_descriptions[i]
                  output.puts "#{'  ' * i}#{nested_description}"
                end
              end

              @last_nested_descriptions = example_group.nested_descriptions
            end