Set babel.

src/bootstrap/__tests__/NumberInput.test.js

@@ -0,0 +1,28 @@
+/*
+ * 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 NumberInput from '../components/NumberInput';
+
+
+describe('<NumberInput/>', () => {
+    it('Render number input', () => {
+        const {container} = render(
+            <NumberInput
+                label="Test label"
+                helpText="Some help text"
+                value={1123}
+                onChange={() => {
+                }}
+            />
+        );
+        expect(container.firstChild).toMatchSnapshot();
+    });
+});