test: add ErrorView testcase

client/web/src/components/KeepAliveOverlay/store.ts

@@ -1,5 +1,5 @@
 import type React from 'react';
-import create from 'zustand';
+import { create } from 'zustand';
 import { immer } from 'zustand/middleware/immer';
 
 interface ElementDisplayRect {

client/web/src/components/__tests__/ErrorView.spec.tsx

@@ -0,0 +1,10 @@
+import { render } from '@testing-library/react';
+import React from 'react';
+import { ErrorView } from '../ErrorView';
+
+describe('ErrorView', () => {
+  test('render', () => {
+    const wrapper = render(<ErrorView error={new Error('Dummy Error')} />);
+    expect(wrapper.container).toMatchSnapshot();
+  });
+});

client/web/src/components/__tests__/__snapshots__/ErrorView.spec.tsx.snap

@@ -0,0 +1,17 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`ErrorView render 1`] = `
+<div>
+  <div
+    class="text-center w-full"
+  >
+    <img
+      class="w-32 h-32 m-auto mb-2"
+      src="problem.svg"
+    />
+    <div>
+      Dummy Error
+    </div>
+  </div>
+</div>
+`;