add custome voice

tests/audio_runtime.test.js

@@ -114,10 +114,12 @@ test("race audio can ignore a mismatched configured voice and select the announc
     const started = speakTextHelper("Race finished", {
       state: { settings: { audioEnabled: true, speechVoiceUri: "voice-sv", speechRate: 1, speechPitch: 1 } },
       currentLanguage: () => "sv",
-    }, { language: "en", voiceUri: "" });
+    }, { language: "en", voiceUri: "", rate: 1.1, pitch: 0.85 });
     assert.equal(started, true);
     assert.equal(spoken[0].lang, "en-US");
     assert.equal(spoken[0].voice.voiceURI, "voice-en");
+    assert.equal(spoken[0].rate, 1.1);
+    assert.equal(spoken[0].pitch, 0.85);
   } finally {
     globalThis.window = originalWindow;
     globalThis.SpeechSynthesisUtterance = OriginalUtterance;