diff --git a/test_audiogen_validate.py b/test_audiogen_validate.py
index b8aaf2a..072dd2d 100644
--- a/test_audiogen_validate.py
+++ b/test_audiogen_validate.py
@@ -14,7 +14,7 @@ class TestAudioGeneratorValidate(TestCase):
             {"type": "section_end"},
             {"type": "insert_section", "section_id": 1},
         ]
-        self.audio_generator = AudioGenerator(self.valid_parsed_data, "test_output.mp3")
+        self.audio_generator = AudioGenerator(self.valid_parsed_data, "test_output.mp3", api_key="")
 
     def test_validate_voices_valid(self):
         self.audio_generator.validate_voices()
@@ -25,7 +25,7 @@ class TestAudioGeneratorValidate(TestCase):
             {"type": "voice", "voice": "invalid_voice"},
             {"type": "text", "text": "Hello, world!"},
         ]
-        invalid_audio_generator = AudioGenerator(invalid_parsed_data, "test_output.mp3")
+        invalid_audio_generator = AudioGenerator(invalid_parsed_data, "test_output.mp3", api_key="")
         with self.assertRaises(ValueError) as cm:
             invalid_audio_generator.validate_voices()
         self.assertEqual(str(cm.exception), "Invalid voice(s) found: invalid_voice")
@@ -40,12 +40,13 @@ class TestAudioGeneratorValidate(TestCase):
             {"type": "text", "text": "Hello, world!"},
             {"type": "insert_section", "section_id": 1},
         ]
-        invalid_audio_generator = AudioGenerator(invalid_parsed_data, "test_output.mp3")
+        invalid_audio_generator = AudioGenerator(invalid_parsed_data, "test_output.mp3", api_key="")
         with self.assertRaises(ValueError) as cm:
             invalid_audio_generator.validate_sections()
         self.assertIn("Section 1 is used before being defined.", str(cm.exception))
         self.assertIn("Undefined section(s) used: 1", str(cm.exception))
 
+
     # @patch('builtins.input', return_value='no')
     # @patch('audiogen.AudioGenerator.text_to_speech')
     # def test_text_to_speech_retry_logic(self, mock_text_to_speech, mock_input):