class Spec::Runner::Formatter::NestedTextFormatter

def example_failed(example, counter, failure)
  message = if failure.expectation_not_met?
    "#{current_indentation}#{example.description} (FAILED - #{counter})"
  else
    "#{current_indentation}#{example.description} (ERROR - #{counter})"
  end
  output.puts(failure.expectation_not_met? ? red(message) : magenta(message))
  output.flush
end