Bump test_concurrent_futures.test_wait.test_timeout sleep time

From 0.5s to 1.0s

Author: zanieb

Lib/test/test_concurrent_futures/test_wait.py

@@ -114,7 +114,7 @@ def test_all_completed(self):
 
     def test_timeout(self):
         short_timeout = 0.050
-        long_timeout = short_timeout * 10
+        long_timeout = short_timeout * 20
 
         future = self.executor.submit(time.sleep, long_timeout)