Update test_standalone_inputcheck.py

Author: jan-janssen

tests/test_standalone_inputcheck.py

@@ -1,6 +1,7 @@
 import unittest
 
 from executorlib.standalone.inputcheck import (
+    check_cancel_futures_on_shutdown,
     check_command_line_argument_lst,
     check_gpus_per_worker,
     check_oversubscribe,
@@ -24,6 +25,10 @@
 
 
 class TestInputCheck(unittest.TestCase):
+    def test_check_cancel_futures_on_shutdown(self):
+        with self.assertRaises(ValueError):
+            check_cancel_futures_on_shutdown(cancel_futures_on_shutdown=True)
+    
     def test_check_command_line_argument_lst(self):
         with self.assertRaises(ValueError):
             check_command_line_argument_lst(command_line_argument_lst=["a"])