tests/test-empty.t

--- a/tests/test-empty.t	Thu Nov 15 02:38:55 2018 +0100
+++ b/tests/test-empty.t	Thu Nov 15 02:46:31 2018 +0100
@@ -23,6 +23,7 @@
   cache
   requires
   store
+  wcache
 
 Should be empty: