diff --git a/.stestr.conf b/.stestr.conf
index 00e9f20de..9abe3741a 100644
--- a/.stestr.conf
+++ b/.stestr.conf
@@ -1,3 +1,5 @@
 [DEFAULT]
 test_path=${OS_TEST_PATH:-./tobiko/tests}
 top_dir=./
+group_regex=([^\.]*\.)*
+