From 62f068d83f06c5eb512dd94d396f560ba0932ab2 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 17 Dec 2025 08:41:56 +0000
Subject: [PATCH 1/3] Initial plan


From 44acb8977ae46ed8e099e879efcdb8b3be8353ab Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 17 Dec 2025 08:46:11 +0000
Subject: [PATCH 2/3] fix(tests): use Object.defineProperty instead of
 sinon.define with cleanup

Co-authored-by: jankapunkt <1135285+jankapunkt@users.noreply.github.com>
---
 tests/unit.tests.js | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/tests/unit.tests.js b/tests/unit.tests.js
index 5ca468e..d15b3ce 100644
--- a/tests/unit.tests.js
+++ b/tests/unit.tests.js
@@ -126,18 +126,29 @@ describe('unit tests', function () {
       expect(defaultVoice).to.equal(voices[1])
     })
     it('sets a language-specific voice as default voice, if no .default is available', async () => {
+      let navigatorDefined = false
       if (globalThis.navigator) {
         sinon.stub(globalThis.navigator, 'language').get(() => 'de-DE')
       } else {
-        sinon.define(globalThis, 'navigator', { language: 'de-DE' })
+        Object.defineProperty(globalThis, 'navigator', {
+          value: { language: 'de-DE' },
+          configurable: true
+        })
+        navigatorDefined = true
       }
 
-      const voices = [{}, {}, { lang: 'de_DE' }]
-      await initScope({
-        speechSynthesis: { getVoices: () => voices }
-      })
-      const { defaultVoice } = EasySpeech.status()
-      expect(defaultVoice).to.equal(voices[2])
+      try {
+        const voices = [{}, {}, { lang: 'de_DE' }]
+        await initScope({
+          speechSynthesis: { getVoices: () => voices }
+        })
+        const { defaultVoice } = EasySpeech.status()
+        expect(defaultVoice).to.equal(voices[2])
+      } finally {
+        if (navigatorDefined) {
+          delete globalThis.navigator
+        }
+      }
     })
     it('sets he first available voice as default, if no lang is available', async () => {
       const voices = [{}, {}, {}]

From 871ee6c943e8e703d2113d00128d21264434072f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 17 Dec 2025 08:47:18 +0000
Subject: [PATCH 3/3] fix(tests): add writable property to
 Object.defineProperty

Co-authored-by: jankapunkt <1135285+jankapunkt@users.noreply.github.com>
---
 tests/unit.tests.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/unit.tests.js b/tests/unit.tests.js
index d15b3ce..8ff5dfb 100644
--- a/tests/unit.tests.js
+++ b/tests/unit.tests.js
@@ -132,7 +132,8 @@ describe('unit tests', function () {
       } else {
         Object.defineProperty(globalThis, 'navigator', {
           value: { language: 'de-DE' },
-          configurable: true
+          configurable: true,
+          writable: true
         })
         navigatorDefined = true
       }