title: how to ignore a line in `dart-lang/coverage`
body: <h3>use case</h3>
  <p><a href="http://codecov.io" rel="nofollow noreferrer">codecov</a> sees <code>super</code> as in need for test,</p>
  <p><a href="https://i.stack.imgur.com/zPIDn.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zPIDn.png" alt="enter image description here" /></a></p>
  <p>not sure being sure if writing a test for this <em><strong>keyword</strong></em></p>
  <ul>
  <li>would be meaningful</li>
  <li>how to write such a test</li>
  </ul>
  <p>I'd like to exclude the line from <a href="https://pub.dev/packages/coverage" rel="nofollow noreferrer">coverage</a> until my doubts are cleared</p>
  <h3>question</h3>
  <p>how do I ignore a line in <code>dart-lang/coverage</code></p>