Use jest with eslint

eslint.config.mjs

@@ -1,5 +1,6 @@
 import github from 'eslint-plugin-github'
 import prettier from 'eslint-plugin-prettier'
+import jest from 'eslint-plugin-jest'
 
 export default [
   github.getFlatConfigs().recommended,
@@ -20,12 +21,26 @@ export default [
       '@typescript-eslint/no-shadow': ['error'],
     },
   },
+  {
+    files: ['__tests__/**/*.test.ts'],
+    ...jest.configs['flat/recommended'],
+    plugins: {
+      jest,
+    },
+    languageOptions: {
+      globals: jest.environments.globals.globals,
+    },
+    rules: {
+      'i18n-text/no-en': 'off',
+      'import/no-namespace': 'off',
+      "@typescript-eslint/array-type": ['error', {default: 'array'}],
+    },
+  },
   {
     ignores: [
       'dist/**',
       'lib/**',
       'node_modules/**',
-      '__tests__/**',
       '__tests__/__snapshots__/**',
       '__tests__/__results__/**',
       'assets/**',