Refactor3 test

Author: YvesDup

Lib/test/test_thread.py

@@ -368,7 +368,7 @@ def mutator(shared, stop, prefix, burst):
             results.append(prefix)
 
         def nop(i, **kwargs):
-            pass
+            results.append(i)
 
         with threading_helper.wait_threads_exit():
             stop = thread.lock()
@@ -389,9 +389,9 @@ def nop(i, **kwargs):
             DELAY = 1.0
             # wait for all mutator threads stop.
             for _ in support.sleeping_retry(support.SHORT_TIMEOUT):
-                if len(results) == n:
+                if len(results) == n+snt:
                     break
-            self.assertTrue(True, "test successful")
+            self.assertTrue(True, "successful test")
 
 
 class Barrier: