text: import unittest
  from app.models import Source
  
  class SourceTest(unittest.TestCase):
  
      def setUp(self):
  
          self.new_source = Source('abc-news','ABC News','Your trusted source for breaking news, analysis, exclusive interviews, headlines, and videos at ABCNews.com','http://abcnews.go.com')
  
      def test_instance(self):
          self.assertTrue(isinstance(self.new_source,Source))
          
  if __name__ == '__main__':
      unittest.main()
  