old_contents: import unittest
  
  from django import template
  
  from template_shortcuts.tests.helpers import render_to_string
  
  
  class JQueryTest(unittest.TestCase):
  
      def test_jquery_version_required(self):
          with self.assertRaises(template.TemplateSyntaxError):
              render_to_string("{% jquery %}")
  
      def test_jquery_certain_version(self):
          rendered = render_to_string("{% jquery '1.7.2' %}")
          self.assertIn("1.7.2/jquery.min.js", rendered)
  
new_contents: import unittest
  
  from django import template
  
  from template_shortcuts.tests.helpers import render_to_string
  
  
  class JQueryTest(unittest.TestCase):
  
      def test_jquery_version_required(self):
          with self.assertRaises(template.TemplateSyntaxError):
              render_to_string("{% jquery %}")
  
      def test_jquery_certain_version(self):
          rendered = render_to_string("{% jquery '1.7.2' %}")
          self.assertIn("1.7.2/jquery.min.js", rendered)
  
  
  class AngularTestCase(unittest.TestCase):
  
      def test_angular_certain_version(self):
          rendered = render_to_string("{% angular '1.2.5' %}")
          self.assertIn("1.2.5/angular.min.js", rendered)
  
subject: Add test