diff --git a/test/fixtures/elasticsearch.js b/test/fixtures/elasticsearch.js
index 1fe7e9f..60892a7 100644
--- a/test/fixtures/elasticsearch.js
+++ b/test/fixtures/elasticsearch.js
@@ -6,6 +6,7 @@ function Client() {
   this.indices = {
     create: () => Promise.resolve({ acknowledged: true }),
     exists: () => Promise.resolve(false),
+    refresh: () => Promise.resolve(),
   };
 
   this.transport = {};