Here is an update from the original card to support Capybara's within method.
The original card always looked thru all tables on the page.

The 2 points i changed were :

• to use Capybara's all method instead of using Nokogiri directly
• and to use Capybara's node.text method instead of Nokogiri's node.content method

And finally here is the code :

Then /^I should( not)? see the following table rows?( in any order)?:?$/ do |negate, ...