text: import unittest
  from typing import Any, List
  
  from hstest.check_result import CheckResult
  from hstest.stage_test import StageTest
  from hstest.test_case import TestCase
  
  
  class UnexpectedErrorUserMainFileNotExists(StageTest):
  
      def generate(self) -> List[TestCase]:
          return [TestCase()]
  
      def check(self, reply: str, attach: Any) -> CheckResult:
          return CheckResult(True, '')
  
  
  class Test(unittest.TestCase):
      def test(self):
          status, feedback = UnexpectedErrorUserMainFileNotExists('bad_file').run_tests()
  
          self.assertIn(
              'Error in test #1\n\n'
                          
              'Cannot find a file to import and run your code.\n'
              'Are your project files located at "',
  
              feedback
          )
  
  
  if __name__ == '__main__':
      Test().test()
  