Update cookbook plugin revision

- Add dummy test case

Change-Id: Ibb0d26c12b09a6b8cfe863ac681dd479677cc0a1
diff --git a/plugins/cookbook-plugin b/plugins/cookbook-plugin
index 39ffdc2..80373ef 160000
--- a/plugins/cookbook-plugin
+++ b/plugins/cookbook-plugin
@@ -1 +1 @@
-Subproject commit 39ffdc20f021484c1ce1dca2ae9f00fa10a482f4
+Subproject commit 80373ef2e4c1978b8c9a68a12c05ec05c4063f8a