diff --git a/muk_models_groupby_hour/tests/__init__.py b/muk_models_groupby_hour/tests/__init__.py
index 38143f7..c166b3b 100644
--- a/muk_models_groupby_hour/tests/__init__.py
+++ b/muk_models_groupby_hour/tests/__init__.py
@@ -21,4 +21,4 @@
 #
 ###################################################################################
 
-from . import test_attachment
\ No newline at end of file
+from . import test_groupby
\ No newline at end of file