This is hacked from the link on line 1 and not really tested but, breadcrumbs! Stick in env.rb (Cukes) or spec_helper.rb

restart-phantom.rb

# https://github.com/ariya/phantomjs/issues/12234
CAPYBARA_TIMEOUT_RETRIES = 3

Around do |scenario, block|
  CAPYBARA_TIMEOUT_RETRIES.times do |i|
    begin
      block.call
      break
    rescue => Capybara::Poltergeist::StatusFailError
      puts("\nCapybara::Poltergeist::StatusFailError\n   Restarting phantomjs and retrying...")
      restart_phantomjs
    end
  end
end

# https://gist.github.com/afn/c04ccfe71d648763b306
def restart_phantomjs
  puts "-> Restarting phantomjs: iterating through capybara sessions..."
  session_pool = Capybara.send('session_pool')
  puts "session_pool length:#{session_pool.length}"
  session_pool.each do |mode,session|
    msg = "  => #{mode} -- "
    driver = session.driver
    if driver.is_a?(Capybara::Poltergeist::Driver)
      msg += "restarting"
      driver.restart
    else
      msg += "not poltergeist: #{driver.class}"
    end
    puts msg
  end
end