fixed dummy test

frontend/src/components/Dummy/__snapshots__/dummy.test.js.snap

@@ -0,0 +1,10 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Dummy renders correctly 1`] = `
+<div
+  className={undefined}
+>
+  Hello, 
+  Hamo
+</div>
+`;

frontend/src/components/Dummy/dummy.test.js

@@ -1 +1,12 @@
+import React from 'react';
+import Dummy from '../Dummy';
+import renderer from 'react-test-renderer';
+
+test('Dummy renders correctly', () => {
+	const component = renderer.create(
+		<Dummy name="Hamo"/>,
+	);
+	let tree = component.toJSON();
+	expect(tree).toMatchSnapshot();
+});