title: How to keep data when run test in rails
body: <p>Every time I run test. Rails will delete my data from table. I have million of record in my table for testing search performance and corrective. I can't add data every time I run test.</p>
  
  <p>How to tell rails "Please don't delete data in this table" when i run test.</p>
  
  <p>ps.</p>
  
  <p>I found this link </p>
  
  <p><a href="https://stackoverflow.com/questions/433724/how-do-i-run-rails-integration-tests-without-dropping-db-contents">How do I run Rails integration tests without dropping DB contents?</a></p>
  
  <p>It's maybe relate to my problems but I don't know where to put his code in my rails project.</p>