tests: Update NAMING file
diff --git a/tests/NAMING b/tests/NAMING
index e5a6e99..df07b7d 100644
--- a/tests/NAMING
+++ b/tests/NAMING
@@ -41,4 +41,6 @@ Categories
13__: Threads, empty as of now
-14__: Configuration parsing
+14__: Redis backend
+
+15__: Configuration parsing