Remove prints and a comment

tests/test_mongo_core.py

@@ -177,14 +177,11 @@ def test_mongo_wait_for_calc_timeout_ok():
 
 @cachier(mongetter=_test_mongetter, stale_after=MONGO_DELTA_LONG, next_time=False, wait_for_calc_timeout=2)
 def _wait_for_calc_timeout_mongo_slow(arg_1, arg_2):
-    print("_wait_for_calc_timeout_mongo_slow")
-    """Some slow function."""
     sleep(3)
     return random() + arg_1 + arg_2
 
 
 def _calls_wait_for_calc_timeout_mongo_slow(res_queue):
-    print("_calls_wait_for_calc_timeout_mongo_slow")
     res = _wait_for_calc_timeout_mongo_slow(1, 2)
     res_queue.put(res)
 
@@ -192,7 +189,6 @@ def _calls_wait_for_calc_timeout_mongo_slow(res_queue):
 def test_mongo_wait_for_calc_timeout_slow():
     """Testing for calls timing out to be performed twice when needed."""
     _wait_for_calc_timeout_mongo_slow.clear_cache()
-    print("Cache cleared")
     res_queue = queue.Queue()
     thread1 = threading.Thread(
         target=_calls_wait_for_calc_timeout_mongo_slow, kwargs={'res_queue': res_queue})