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<!DOCTYPE html>
<html>
<head>
  <script src="https://unpkg.com/@testing-library/dom@7.30.4/dist/@testing-library/dom.umd.js"></script>
</head>
<body>
  <div>Check the console</div>
  <script>
    function withName() {
      const form = document.createElement('form')
      form.name = 'anything'
      const container = document.createElement('div')
      container.append(form)
      TestingLibraryDom.within(container).getByRole('form')
    }
    
    function withoutName() {
      const form = document.createElement('form')
      const container = document.createElement('div')
      container.append(form)
      TestingLibraryDom.within(container).getByRole('form')
    }
    
    try {
      withName()
      console.log('withName passes')
    } catch (error) {
      console.error('withName fails', error)
    }
    try {
      withoutName()
      console.log('withoutName passes')
    } catch (error) {
      console.error('withoutName fails', error)
    }
  </script>
</body>
</html>
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