log details on test runs to log to make it easier to understand what is going on

rspec_logger_listener.rb

module RSpecLoggerListener
  extend self

  def start(notification)
    Rails.logger.info("\n\n====== Starting new test run")
  end
  def stop(notification)
    Rails.logger.info("\n\n====== Test run finished")
  end
  def example_started(notification)
    Rails.logger.info("\n\n====== START #{notification.example.full_description}")
  end
  def example_passed(notification)
    Rails.logger.info("====== PASSED #{notification.example.full_description}")
  end
  def example_failed(notification)
    Rails.logger.info("====== FAILED #{notification.example.full_description}")
  end
  def example_pending(notification)
    Rails.logger.info("====== PENDING #{notification.example.full_description}")
  end
end

RSpec.configuration.reporter.register_listener(RSpecLoggerListener,
  :start, :stop, :example_started, :example_passed,
  :example_failed, :example_pending)