Update ESLint rule tests for flat config format

- Update RuleTester to use flat config languageOptions instead of
  eslintrc parser format
- Remove duplicate test case that ESLint v9 now detects
- Add Jest globals for test files

eslint.config.mjs

@@ -210,4 +210,14 @@ export default tseslint.config(
       'no-control-regex': 'off',
     },
   },
+
+  // Test files configuration
+  {
+    files: ['**/__tests__/**/*.{js,jsx,ts,tsx}', '**/*.test.{js,jsx,ts,tsx}'],
+    languageOptions: {
+      globals: {
+        ...globals.jest,
+      },
+    },
+  },
 )

eslint/__tests__/avoid-unwrapped-text.test.js

@@ -1,14 +1,17 @@
 const {RuleTester} = require('eslint')
+const tseslint = require('typescript-eslint')
 const avoidUnwrappedText = require('../avoid-unwrapped-text')
 
 const ruleTester = new RuleTester({
-  parser: require.resolve('@typescript-eslint/parser'),
-  parserOptions: {
-    ecmaFeatures: {
-      jsx: true,
+  languageOptions: {
+    parser: tseslint.parser,
+    parserOptions: {
+      ecmaFeatures: {
+        jsx: true,
+      },
+      ecmaVersion: 'latest',
+      sourceType: 'module',
     },
-    ecmaVersion: 6,
-    sourceType: 'module',
   },
 })
 
@@ -773,15 +776,6 @@ function MyText({ foo }) {
         errors: 1,
       },
 
-      {
-        code: `
-<View>
-  <Trans>{'foo'}</Trans>
-</View>
-       `,
-        errors: 1,
-      },
-
       {
         code: `
 <View prop={