preact preset already includes rules for jest

frontend/.eslintrc.js

@@ -1,4 +1,5 @@
 module.exports = {
+  root: true,
   extends: ['react-app', 'preact', 'plugin:jsx-a11y/recommended', 'prettier'],
   plugins: ['jsx-a11y', 'prettier'],
   rules: {
@@ -24,7 +25,6 @@ module.exports = {
     },
     {
       files: ['*.@(test|spec).ts?(x)'],
-      extends: ['react-app/jest'],
       rules: {
         'import/first': 'off',
       },

frontend/package-lock.json

@@ -61,7 +61,6 @@
         "eslint-config-react-app": "^7.0.1",
         "eslint-plugin-flowtype": "^8.0.3",
         "eslint-plugin-import": "^2.26.0",
-        "eslint-plugin-jest": "^26.5.3",
         "eslint-plugin-jsx-a11y": "^6.6.0",
         "eslint-plugin-prettier": "^4.2.1",
         "eslint-plugin-react": "^7.30.1",
@@ -8155,30 +8154,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/eslint-plugin-jest": {
-      "version": "26.5.3",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-jest/-/eslint-plugin-jest-26.5.3.tgz",
-      "integrity": "sha512-sICclUqJQnR1bFRZGLN2jnSVsYOsmPYYnroGCIMVSvTS3y8XR3yjzy1EcTQmk6typ5pRgyIWzbjqxK6cZHEZuQ==",
-      "dev": true,
-      "dependencies": {
-        "@typescript-eslint/utils": "^5.10.0"
-      },
-      "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
-      },
-      "peerDependencies": {
-        "@typescript-eslint/eslint-plugin": "^5.0.0",
-        "eslint": "^6.0.0 || ^7.0.0 || ^8.0.0"
-      },
-      "peerDependenciesMeta": {
-        "@typescript-eslint/eslint-plugin": {
-          "optional": true
-        },
-        "jest": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/eslint-plugin-jsx-a11y": {
       "version": "6.6.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-6.6.0.tgz",
@@ -25324,15 +25299,6 @@
         }
       }
     },
-    "eslint-plugin-jest": {
-      "version": "26.5.3",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-jest/-/eslint-plugin-jest-26.5.3.tgz",
-      "integrity": "sha512-sICclUqJQnR1bFRZGLN2jnSVsYOsmPYYnroGCIMVSvTS3y8XR3yjzy1EcTQmk6typ5pRgyIWzbjqxK6cZHEZuQ==",
-      "dev": true,
-      "requires": {
-        "@typescript-eslint/utils": "^5.10.0"
-      }
-    },
     "eslint-plugin-jsx-a11y": {
       "version": "6.6.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-6.6.0.tgz",

frontend/package.json

@@ -78,7 +78,6 @@
     "eslint-config-react-app": "^7.0.1",
     "eslint-plugin-flowtype": "^8.0.3",
     "eslint-plugin-import": "^2.26.0",
-    "eslint-plugin-jest": "^26.5.3",
     "eslint-plugin-jsx-a11y": "^6.6.0",
     "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-react": "^7.30.1",