class RSpec::Core::Notifications::FailedExampleNotification

def failure_lines
  @failure_lines ||=
    begin
      lines = ["Failure/Error: #{read_failed_line.strip}"]
      lines << "#{exception_class_name}:" unless exception_class_name =~ /RSpec/
      exception.message.to_s.split("\n").each do |line|
        lines << "  #{line}" if exception.message
      end
      lines
    end
end