Basic testing setup

package.json

@@ -6,7 +6,8 @@
     "dev": "next dev",
     "debug": "NODE_OPTIONS='--inspect' next dev",
     "build": "next build",
-    "start": "next start"
+    "start": "next start",
+    "test": "jest"
   },
   "dependencies": {
     "cheerio": "^1.0.0-rc.5",
@@ -15,6 +16,10 @@
     "react-dom": "17.0.1"
   },
   "devDependencies": {
+    "@testing-library/jest-dom": "^5.11.9",
+    "@testing-library/react": "^11.2.5",
+    "@testing-library/user-event": "^12.8.3",
+    "@types/jest": "^26.0.20",
     "@types/node": "^14.14.33",
     "@types/react": "^17.0.3",
     "@typescript-eslint/eslint-plugin": "^4.0.0",
@@ -24,14 +29,21 @@
     "eslint-config-react-app": "^6.0.0",
     "eslint-plugin-flowtype": "^5.2.0",
     "eslint-plugin-import": "^2.22.0",
+    "eslint-plugin-jest": "^24.0.0",
     "eslint-plugin-jsx-a11y": "^6.3.1",
     "eslint-plugin-react": "^7.20.3",
     "eslint-plugin-react-hooks": "^4.0.8",
+    "eslint-plugin-testing-library": "^3.9.0",
+    "jest": "^26.6.3",
     "typescript": "^4.2.3"
   },
   "eslintConfig": {
     "extends": [
-      "react-app"
+      "react-app",
+      "react-app/jest"
     ]
+  },
+  "babel": {
+    "presets": ["next/babel"]
   }
 }