diff --git a/tests/test_random_utils.py b/tests/test_random_utils.py
index 62d5bb064..9ca64a86b 100644
--- a/tests/test_random_utils.py
+++ b/tests/test_random_utils.py
@@ -132,9 +132,15 @@ def thread_function(name, sleep_time, results):
 
         for index, thread in enumerate(threads):
             thread.join()
+            
             with self.subTest(f'Within Thread {index}'):
+                self.assertIsNotNone(results[index][0])
+                self.assertIsNotNone(results[index][1])
                 self.assertEqual(results[index][0], results[index][1])
+             
 
         with self.subTest(f'Across all threads'):
             flatten_results = [item for sublist in results for item in sublist]
             self.assertEqual(len(set(flatten_results)), 1)
+
+        
\ No newline at end of file