made a simple render test

test/gui-tests/LoginView.test.tsx

+import React from 'react';
+import renderer from 'react-test-renderer';
+import LoginView from '../../app/views/LoginView';
+
+test('renders correctly', ()=>{
+	const tree = renderer.create(<LoginView />).toJSON();
+	expect(tree).toMatchSnapshot();
+});
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