new_contents: from django.test import TestCase
  
  from tenancy.filters import TenantFilter, TenantGroupFilter
  from tenancy.models import Tenant, TenantGroup
  
  
  class TenantGroupTestCase(TestCase):
      queryset = TenantGroup.objects.all()
  
      @classmethod
      def setUpTestData(cls):
  
          groups = (
              TenantGroup(name='Tenant Group 1', slug='tenant-group-1'),
              TenantGroup(name='Tenant Group 2', slug='tenant-group-2'),
              TenantGroup(name='Tenant Group 3', slug='tenant-group-3'),
          )
          TenantGroup.objects.bulk_create(groups)
  
      def test_id(self):
          id_list = self.queryset.values_list('id', flat=True)[:2]
          params = {'id': [str(id) for id in id_list]}
          self.assertEqual(TenantGroupFilter(params, self.queryset).qs.count(), 2)
  
      def test_name(self):
          params = {'name': ['Tenant Group 1', 'Tenant Group 2']}
          self.assertEqual(TenantGroupFilter(params, self.queryset).qs.count(), 2)
  
      def test_slug(self):
          params = {'slug': ['tenant-group-1', 'tenant-group-2']}
          self.assertEqual(TenantGroupFilter(params, self.queryset).qs.count(), 2)
  
  
  class TenantTestCase(TestCase):
      queryset = Tenant.objects.all()
  
      @classmethod
      def setUpTestData(cls):
  
          groups = (
              TenantGroup(name='Tenant Group 1', slug='tenant-group-1'),
              TenantGroup(name='Tenant Group 2', slug='tenant-group-2'),
              TenantGroup(name='Tenant Group 3', slug='tenant-group-3'),
          )
          TenantGroup.objects.bulk_create(groups)
  
          tenants = (
              Tenant(name='Tenant 1', slug='tenant-1', group=groups[0]),
              Tenant(name='Tenant 2', slug='tenant-2', group=groups[1]),
              Tenant(name='Tenant 3', slug='tenant-3', group=groups[2]),
          )
          Tenant.objects.bulk_create(tenants)
  
      def test_name(self):
          params = {'name': ['Tenant 1', 'Tenant 2']}
          self.assertEqual(TenantFilter(params, self.queryset).qs.count(), 2)
  
      def test_slug(self):
          params = {'slug': ['tenant-1', 'tenant-2']}
          self.assertEqual(TenantFilter(params, self.queryset).qs.count(), 2)
  
      def test_id__in(self):
          id_list = self.queryset.values_list('id', flat=True)[:2]
          params = {'id__in': ','.join([str(id) for id in id_list])}
          self.assertEqual(TenantFilter(params, self.queryset).qs.count(), 2)
  
      def test_group(self):
          group = TenantGroup.objects.all()[:2]
          params = {'group_id': [group[0].pk, group[1].pk]}
          self.assertEqual(TenantFilter(params, self.queryset).qs.count(), 2)
          params = {'group': [group[0].slug, group[1].slug]}
          self.assertEqual(TenantFilter(params, self.queryset).qs.count(), 2)
  
subject: Add tests for tenancy filters