From cb92a45bf3bd6eda873c2f6491542845f2cbef84 Mon Sep 17 00:00:00 2001
From: Julius Volz <julius.volz@gmail.com>
Date: Sun, 24 Nov 2019 13:14:01 +0100
Subject: [PATCH] React UI: Make test spy attachment more jest-y (#6361)

Signed-off-by: Julius Volz <julius.volz@gmail.com>
---
 web/ui/react-app/src/ExpressionInput.test.tsx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/web/ui/react-app/src/ExpressionInput.test.tsx b/web/ui/react-app/src/ExpressionInput.test.tsx
index d9e739d2e..07bb0b01e 100644
--- a/web/ui/react-app/src/ExpressionInput.test.tsx
+++ b/web/ui/react-app/src/ExpressionInput.test.tsx
@@ -177,8 +177,7 @@ describe('ExpressionInput', () => {
     it('should blur input on escape', () => {
       const downshift = expressionInput.find(Downshift);
       const instance: any = expressionInput.instance();
-      const spyBlur = jest.fn();
-      instance.exprInputRef.current.blur = spyBlur;
+      const spyBlur = jest.spyOn(instance.exprInputRef.current, 'blur');
       const input = downshift.find(Input);
       downshift.setState({ isOpen: false });
       const event = getKeyEvent('Escape');