diff --git a/tests/unit/encoders/test_azure.py b/tests/unit/encoders/test_azure.py
index 93dffb89194606c2d410c1cf749cc57faf6d1327..3969543e8fb28572923db185ef49f78cb724c080 100644
--- a/tests/unit/encoders/test_azure.py
+++ b/tests/unit/encoders/test_azure.py
@@ -83,7 +83,7 @@ class TestAzureOpenAIEncoder:
         )
         with pytest.raises(ValueError) as e:
             openai_encoder(["test document"])
-        assert "No embeddings returned. Error" in str(e.value)
+        assert "No embeddings returned." in str(e.value)
 
     def test_openai_encoder_call_failure_non_openai_error(self, openai_encoder, mocker):
         mocker.patch("os.getenv", return_value="fake-api-key")
diff --git a/tests/unit/encoders/test_openai.py b/tests/unit/encoders/test_openai.py
index 508e9e9e197a8a0b87fb179554d43c18686c1b44..56ef2b38e5082848279624bedfbc9417ec610d6b 100644
--- a/tests/unit/encoders/test_openai.py
+++ b/tests/unit/encoders/test_openai.py
@@ -77,7 +77,7 @@ class TestOpenAIEncoder:
         )
         with pytest.raises(ValueError) as e:
             openai_encoder(["test document"])
-        assert "No embeddings returned. Error" in str(e.value)
+        assert "No embeddings returned." in str(e.value)
 
     def test_openai_encoder_call_failure_non_openai_error(self, openai_encoder, mocker):
         mocker.patch("os.getenv", return_value="fake-api-key")