old_contents: from django.contrib.auth import get_user_model
  from django.test import TestCase
  
  from ..models import (
      Field,
      Survey,
  )
  
  User = get_user_model()
  
  
  class Tests(TestCase):
  
      def setUp(self):
          self.user = User.objects.create_user("foo", password="bar")
  
      def test_likert_field_missing_scale(self):
          """
          Ensure Likert field missing choices still produces form field.
          """
          survey = Survey(
              name="likert test",
              creator=self.user,
          )
          # create Likert field without associated LikertScale
          field = Field(
              survey=survey,
              label="likert field",
              field_type=Field.LIKERT_FIELD,
          )
          self.assertFalse(field.choices.all())
          # Ensure no exception when field has no choices
          self.assertTrue(field.form_field())
  
new_contents: from django.contrib.auth import get_user_model
  from django.test import TestCase
  
  from ..models import (
      Field,
      Survey,
  )
  
  User = get_user_model()
  
  
  class Tests(TestCase):
  
      def setUp(self):
          self.user = User.objects.create_user("foo", password="bar")
  
      def test_likert_field_missing_scale(self):
          """
          Ensure Likert field missing choices still produces form field.
          """
          survey = Survey(
              name="likert test",
              creator=self.user,
          )
          # create Likert field without associated LikertScale
          field = Field(
              survey=survey,
              label="likert field",
              field_type=Field.LIKERT_FIELD,
          )
          self.assertFalse(field.choices.all())
          # Ensure no exception when field has no choices
          self.assertTrue(field.form_field())
  
      def test_text_field_form_field_render(self):
          survey = Survey(
              name="field mapping test",
              creator=self.user,
          )
          field = Field(
              survey=survey,
              label="text field",
              field_type=Field.TEXT_FIELD,
          )
          # Ensure no exception when field is instantiated
          self.assertTrue(field.form_field())
  
subject: add failing test