diff --git a/requirements/test_requirements.txt b/requirements/test_requirements.txt
index 805f95a..a7143bd 100644
--- a/requirements/test_requirements.txt
+++ b/requirements/test_requirements.txt
@@ -1,3 +1,3 @@
 pytest
 neon-lang-plugin-libretranslate
-ovos-bus-client
\ No newline at end of file
+ovos-bus-client~=0.0
\ No newline at end of file
diff --git a/tests/lang_transform_tests.py b/tests/lang_transform_tests.py
index 4f696fe..07a01c8 100644
--- a/tests/lang_transform_tests.py
+++ b/tests/lang_transform_tests.py
@@ -29,6 +29,7 @@
 
 from unittest.mock import Mock
 from ovos_bus_client.message import Message
+from libretranslate_neon_plugin import LibreTranslatePlugin
 
 sys.path.append(os.path.dirname(os.path.dirname(os.path.realpath(__file__))))
 from neon_utterance_translator_plugin import UtteranceTranslator
@@ -53,6 +54,7 @@ def test_init(self):
         self.assertEqual(self.transformer.language_config,
                          self.mock_config['language'])
         self.assertIsNone(self.transformer.lang_detector)
+        self.assertIsInstance(self.transformer.translator, LibreTranslatePlugin)
 
     def test_supported_lang_handling(self):
         # internal language (en)