Issue/6 improve testing coverage for client

client/package.json

@@ -52,5 +52,12 @@
       "last 1 safari version"
     ]
   },
+  "jest": {
+    "collectCoverageFrom": [
+      "src/**/*.{js,jsx,tsx,ts}",
+      "!src/index.tsx",
+      "!src/reportWebVitals.ts"
+    ]
+  },
   "proxy": "http://localhost:5000/api/"
 }

client/src/App.test.tsx

-import React from 'react'
 import { render, screen } from '@testing-library/react'
+import React from 'react'
 import App from './App'
 
 test('renders learn react link', () => {