def METHOD_NAME(self) -> None:
    class MockProcess:
        returncode = 0
        stdout = 'TOTAL     40571  10682  13759   1161   70% '
    def mock_subprocess_run(*args: str, **kwargs: str) -> MockProcess: # pylint: disable=unused-argument
        return MockProcess()
    swap_subprocess_run = self.swap_with_checks(
        subprocess, 'run', mock_subprocess_run,
        expected_args=((self.cmd,),),
        expected_kwargs=[{
            'capture_output': True,
            'encoding': 'utf-8',
            'env': self.env,
            'check': False
        }])
    swap_sys_exit = self.swap_with_checks(
        sys, 'exit', lambda _: None,
        expected_args=((1,),))
    with self.print_swap, swap_sys_exit, swap_subprocess_run:
        check_overall_backend_test_coverage.main()
    self.assertIn(
        'Backend overall line coverage checks failed.', self.print_arr)