Retain isolated number retry evidence and Korean voice register

tools/audio/test_generate_voice.py

@@ -123,6 +123,17 @@ class VoiceHistoryTests(unittest.TestCase):
             prepare(manifest, self.catalog, self.profile, self.root, target)
         self.assertFalse(target.exists())
 
+    def test_new_take_preserves_original_and_other_clips(self):
+        first = self.run_generation()
+        original = (self.root / first['clips'][0]['file']).read_bytes()
+        second = voice.generate(self.catalog, self.profile, self.root, ids=['count_01'],
+                                synthesize=self.fake, regenerate=True)
+        self.assertEqual('generated', second['clips'][0]['result'])
+        self.assertTrue(second['regenerateRequested'])
+        self.assertEqual(1, len(second['clips']))
+        self.assertEqual(original, (self.root / first['clips'][0]['file']).read_bytes())
+        self.assertEqual(['count_01', 'guide_collect', 'count_01'], self.calls)
+
 
 if __name__ == '__main__':
     unittest.main()