old_contents: from .models import Employee
  from rest_framework.test import APITestCase
  
  
  class EmployeeTestCase(APITestCase):
      def setUp(self):
          Employee.objects.create_superuser('user1', 'user1@email.com', 'user1password')
          Employee.objects.create_superuser('user2', 'user2@email.com', 'user2password')
  
      def test_employee_creation_without_endpoint(self):
          employee1 = Employee.objects.get(email='user1@email.com')
          employee2 = Employee.objects.get(username='user2')
          self.assertEqual(employee1.username, 'user1')
          self.assertEqual(employee2.email, 'user2@email.com')
  
new_contents: from .models import Employee
  from categories.models import Category
  from rest_framework.test import APITestCase
  
  
  class EmployeeTestCase(APITestCase):
      def setUp(self):
          Category.objects.create(name='Coworker')
          Employee.objects.create_superuser('user1', 'user1@email.com', 'user1password')
          Employee.objects.create_superuser('user2', 'user2@email.com', 'user2password')
  
      def test_employee_creation_without_endpoint(self):
          employee1 = Employee.objects.get(email='user1@email.com')
          employee2 = Employee.objects.get(username='user2')
          self.assertEqual(employee1.username, 'user1')
          self.assertEqual(employee2.email, 'user2@email.com')
  
subject: Fix category dependency for employee creation flow in testing