chore: remove testing frameworks

package.json

@@ -2,7 +2,6 @@
   "scripts": {
     "start": "snowpack dev",
     "build": "snowpack build",
-    "test": "web-test-runner \"src/**/*.test.tsx\"",
     "format": "prettier --write \"src/**/*.{js,jsx,ts,tsx}\"",
     "lint": "prettier --check \"src/**/*.{js,jsx,ts,tsx}\""
   },
@@ -14,15 +13,9 @@
     "@snowpack/plugin-dotenv": "^2.0.5",
     "@snowpack/plugin-react-refresh": "^2.4.0",
     "@snowpack/plugin-typescript": "^1.2.0",
-    "@snowpack/web-test-runner-plugin": "^0.2.0",
-    "@testing-library/react": "^11.0.0",
-    "@types/chai": "^4.2.13",
-    "@types/mocha": "^8.2.0",
     "@types/react": "^17.0.0",
     "@types/react-dom": "^17.0.0",
     "@types/snowpack-env": "^2.3.2",
-    "@web/test-runner": "^0.12.0",
-    "chai": "^4.2.0",
     "prettier": "^2.0.5",
     "snowpack": "^3.0.1",
     "typescript": "^4.0.0"

web-test-runner.config.js

-// NODE_ENV=test - Needed by "@snowpack/web-test-runner-plugin"
-process.env.NODE_ENV = 'test';
-
-module.exports = {
-  plugins: [require('@snowpack/web-test-runner-plugin')()],
-};