feat(DEVC-1286): try to fix tests for py3.11 & 3.13

Author: kossman

docs/modules/ROOT/examples/cache/tutorial002.py

@@ -5,9 +5,11 @@
 
 @scheduled
 def scheduled_app(event: ScheduledDataTimeEvent, api: Api, cache: Cache):
-    cache.set(key='key', value='value', ttl=1)  # <.>
+    ttl_value = 1
+    cache.set(key='key', value='value', ttl=ttl_value)  # <.>
+
     assert cache.get('key') == 'value'
 
-    time.sleep(2)  # <.>
+    time.sleep(ttl_value + 0.01)  # <.>
 
     assert cache.get('key') is None  # <.>