diff --git a/tests/test_regression_unknown.py b/tests/test_regression_unknown.py
new file mode 100644
index 0000000..4bc3557
--- /dev/null
+++ b/tests/test_regression_unknown.py
@@ -0,0 +1,56 @@
+# AUTO-GENERATED REGRESSION TEST
+# ----------------------------------------
+# Source trace: unknown
+# Failure type: bad_retrieval
+# Model: mistralai/mistral-7b-instruct-v0.1
+# Generated by: TraceOps Lite
+#
+# This file was automatically generated
+# from a production failure report.
+#
+# DO NOT EDIT MANUALLY
+# ----------------------------------------
+
+import pytest
+
+from deepeval import assert_test
+from deepeval.test_case import LLMTestCase
+
+from deepeval.metrics import FaithfulnessMetric
+
+
+@pytest.mark.regression
+def test_regression_unknown():
+    """
+    Regression test generated from
+    production trace:
+
+    unknown
+
+    Failure type:
+    bad_retrieval
+    """
+
+    test_case = LLMTestCase(
+        input="unknown",
+        actual_output="",
+        retrieval_context=[],
+    )
+
+    metric = FaithfulnessMetric(threshold=0.8)
+
+    assert_test(
+        test_case,
+        [metric],
+    )
+
+
+# ---- Metadata ----------------------------------
+
+TRACE_ID = "unknown"
+
+FAILURE_TYPE = "bad_retrieval"
+
+MODEL = "mistralai/mistral-7b-instruct-v0.1"
+
+SOURCES = []