diff --git a/test/test_all.py b/test/test_all.py
index 1021b6f..7341a6e 100644
--- a/test/test_all.py
+++ b/test/test_all.py
@@ -18,6 +18,7 @@ from test_cache import TestLRU
 from test_contributors import TestContributors
 from test_cyrillic_convert import TestCyrillicConvert
 from test_playerInspect import TestPlayerInspect
+from test_regionTrimmer import TestRegionTrimmer
 
 # DISABLE THIS BLOCK TO GET LOG OUTPUT FROM TILESET FOR DEBUGGING
 if 0: