React UI: Make test spy attachment more jest-y (#6361)

Signed-off-by: Julius Volz <julius.volz@gmail.com>
6 years ago · cb92a45bf3
parent d2a3ef2f12
commit cb92a45bf3
1 changed files with 1 additions and 2 deletions
--- 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');