bpo-31786: Make functions in the select module blocking when timeout is a small negative value. (#4003)

diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py
index c92e66b..61dda09 100644
--- a/Lib/test/test_time.py
+++ b/Lib/test/test_time.py
@@ -33,6 +33,8 @@
     ROUND_CEILING = 1
     # Round to nearest with ties going to nearest even integer
     ROUND_HALF_EVEN = 2
+    # Round away from zero
+    ROUND_UP = 3
 
 # Rounding modes supported by PyTime
 ROUNDING_MODES = (
@@ -40,6 +42,7 @@
     (_PyTime.ROUND_FLOOR, decimal.ROUND_FLOOR),
     (_PyTime.ROUND_CEILING, decimal.ROUND_CEILING),
     (_PyTime.ROUND_HALF_EVEN, decimal.ROUND_HALF_EVEN),
+    (_PyTime.ROUND_UP, decimal.ROUND_UP),
 )