diff --git a/tests/executors/test_celery_executor.py b/tests/executors/test_celery_executor.py
index aeaad37eaca39..7d5e2c8b7a34f 100644
--- a/tests/executors/test_celery_executor.py
+++ b/tests/executors/test_celery_executor.py
@@ -18,6 +18,7 @@
 import contextlib
 import json
 import os
+import signal
 import sys
 import unittest
 from datetime import datetime, timedelta
@@ -503,17 +504,9 @@ def apply_async(self, *args, **kwargs):
 
         return 1
 
-import signal
-
-def handle_pdb(sig, frame):
-    print('handle_pdb')
-    import pdb
-    pdb.Pdb().set_trace(frame)
-
-signal.signal(signal.SIGUSR1, handle_pdb)
 
 def test_send_tasks_to_celery_hang():
-    def _exit_gracefully(signum, frame):
+    def _exit_gracefully(signum, _):
         print(f"{os.getpid()} Exiting gracefully upon receiving signal {signum}")
         sys.exit(signum)
 
@@ -558,6 +551,6 @@ def register_signals():
         (None, None, None, None, MockTask()),
     ]
 
-    results = executor._send_tasks_to_celery(task_tuples_to_send)
-
-    assert results == [(None, None, 1) for _ in task_tuples_to_send]
+    for _ in range(500):
+        results = executor._send_tasks_to_celery(task_tuples_to_send)
+        assert results == [(None, None, 1) for _ in task_tuples_to_send]