Update test

Author: YvesDup

Lib/test/test_thread.py

@@ -366,6 +366,7 @@ def mutator(shared, stop, prefix, burst):
         def nop(i, **kwargs):
             pass
 
+        DELAY = 1.0
         stop = thread.lock()
         shared = {f"base_{i}": i for i in range(20000)}
         n = 4
@@ -383,8 +384,8 @@ def nop(i, **kwargs):
         stop.acquire()
         # wait for all mutator threads stop.
         wait_t = time.monotonic()
-        while len(results) < n and time.monotonic() - wait_t < 5.0:
-            time.sleep(0.1)
+        while len(results) < n and time.monotonic() - wait_t < DELAY:
+            time.sleep(0.01)
 
 
 class Barrier: