old_contents: import os
  
  ENV = 'test'
  SQLALCHEMY_DATABASE_URI = os.environ['TEST_DATABASE_URL']
  TESTING = True
  
new_contents: import os
  
  ENV = 'test'
  SQLALCHEMY_DATABASE_URI = os.environ['TEST_DATABASE_URL']
  TESTING = True
  DEBUG = True
  
subject: Add debug to test config