title: what is AbstractTestNGSpringContextTests
body: <p>I have a TestNG class which is like the following:</p>
  
  <pre><code>public class WebAPITestCase extends AbstractTestNGSpringContextTests{.....}
  </code></pre>
  
  <p>I was trying to understand what this means <code>extends AbstractTestNGSpringContextTests</code>.</p>
  
  <p>How does it work and what is the use of it?</p>