new_contents: from __future__ import absolute_import
  
  import uuid
  
  from django.test import TestCase, override_settings
  
  from casexml.apps.case.mock import CaseBlock
  from corehq.apps.domain.shortcuts import create_domain
  from corehq.apps.hqcase.utils import submit_case_blocks
  from corehq.form_processor.interfaces.dbaccessors import CaseAccessors
  from custom.enikshay.integrations.utils import case_properties_changed
  
  
  @override_settings(TESTS_SHOULD_USE_SQL_BACKEND=True)
  class TestCasePropertiesChanged(TestCase):
      def setUp(self):
          self.domain = 'domain'
          create_domain(self.domain)
          case_type = "case"
          self.case_id = uuid.uuid4().hex
          submit_case_blocks(CaseBlock(
              self.case_id, case_type=case_type, create=True).as_string(), self.domain
          )
          caseblock1 = CaseBlock(
              self.case_id,
              case_type=case_type,
              update={'property_1': 'updated'},
          )
          caseblock2 = CaseBlock(
              self.case_id,
              case_type=case_type,
              update={'property_2': 'updated'},
          )
          blocks = [caseblock1.as_string(), caseblock2.as_string()]
          submit_case_blocks(blocks, self.domain)[1][0]
  
      def test_case_properties_changed(self):
          case = CaseAccessors(self.domain).get_case(self.case_id)
          self.assertTrue(case_properties_changed(case, ['property_1', 'property_2']))
  
subject: Add test for case properties changed function