fix: Fix tests that broke from write language expansion

Author: JanEbbing

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Fix write tests that broke from language expansion
 
 ## [1.25.0] - 2026-03-26
 ### Added

tests/rephraseText.test.ts

@@ -34,27 +34,27 @@ describe('rephrase text', () => {
         const deeplClient = makeDeeplClient();
         const deeplClientPromise = deeplClient.rephraseText(
             exampleText.de,
-            'es',
+            'ja',
             null,
             WritingTone.CONFIDENT,
         );
         await expect(deeplClientPromise).rejects.toBeInstanceOf(Error);
         await expect(deeplClientPromise).rejects.toThrow(
-            /Language Spanish does not support setting a tone/,
+            /Language ja does not support setting a tone/,
         );
     });
 
-    it('should throw an error for invalid writing_style parameter', async () => {
+    it('should throw an error for unsupported writing_style parameter', async () => {
         const deeplClient = makeDeeplClient();
         const deeplClientPromise = deeplClient.rephraseText(
             exampleText.de,
-            'es',
+            'ja',
             WritingStyle.BUSINESS,
             null,
         );
         await expect(deeplClientPromise).rejects.toBeInstanceOf(Error);
         await expect(deeplClientPromise).rejects.toThrow(
-            /Language Spanish does not support setting a writing style/,
+            /Language ja does not support setting a writing style/,
         );
     });