new_contents: from django.test import TestCase
  
  from tickets.tests.factories import UserFactory, TicketFactory, TicketCommentFactory
  from tickets.forms import TicketCreateForm, TicketCommentCreateForm
  
  
  class TicketCreateFormTestCase(TestCase):
      def test_emtpy_form(self):
          form = TicketCreateForm({})
          self.assertFalse(form.is_valid())
          self.assertEqual(form.errors, {
              'subject': ['This field is required.'],
              'description': ['This field is required.']
          })
  
  class TicketCommentCreateFormTestCase(TestCase):
      def test_init(self):
          form = TicketCommentCreateForm({})
          self.assertFalse(form.is_valid())
          self.assertEqual(form.errors, {
              'comment': ['This field is required.']
          })
  
subject: add minimal test cases for ticket forms