Set babel.

src/form/__tests__/SubmitButton.test.js

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2019 CZ.NIC z.s.p.o. (http://www.nic.cz/)
+ *
+ * This is free software, licensed under the GNU General Public License v3.
+ * See /LICENSE for more information.
+ */
+
+import React from 'react';
+import {render} from 'customTestRender';
+
+import SubmitButton, {STATES} from '../components/SubmitButton';
+
+describe('<SubmitButton/>', () => {
+    it('Render ready', () => {
+        const {container} = render(<SubmitButton state={STATES.READY}/>);
+        expect(container).toMatchSnapshot();
+    });
+    it('Render saving', () => {
+        const {container} = render(<SubmitButton state={STATES.SAVING}/>);
+        expect(container).toMatchSnapshot();
+    });
+    it('Render load', () => {
+        const {container} = render(<SubmitButton state={STATES.LOAD}/>);
+        expect(container).toMatchSnapshot();
+    });
+});