diff --git a/test/mocks/db.js b/test/mocks/db.js
index 61a71309..215199d9 100644
--- a/test/mocks/db.js
+++ b/test/mocks/db.js
@@ -24,7 +24,8 @@ module.exports = {
   },
   completeTransaction: function(tx, txHash) {
     calls.status = true;
-  }
+  },
+  recordBill: function(fingerprint, trade) { }
 };