diff --git a/tests/__mocks__/rc-trigger.js b/tests/__mocks__/rc-trigger.js
index 1222ef9e79..12f10c9be9 100644
--- a/tests/__mocks__/rc-trigger.js
+++ b/tests/__mocks__/rc-trigger.js
@@ -7,7 +7,7 @@ if (process.env.REACT === '15') {
   // cannot use object destruction, cause react 15 test cases fail
   const render = ActualTrigger.prototype.render; // eslint-disable-line
 
-  ActualTrigger.prototype.render = function () {
+  ActualTrigger.prototype.render = function triggerRender() {
     const { popupVisible } = this.state; // eslint-disable-line
     let component;