class RSpec::Core::Notifications::FailedExampleNotification

def read_failed_line
  unless matching_line = find_failed_line
    return "Unable to find matching line from backtrace"
  end
  file_path, line_number = matching_line.match(/(.+?):(\d+)(|:\d+)/)[1..2]
  if File.exist?(file_path)
    File.readlines(file_path)[line_number.to_i - 1] ||
      "Unable to find matching line in #{file_path}"
  else
    "Unable to find #{file_path} to read failed line"
  end
rescue SecurityError
  "Unable to read failed line"
end