diff --git a/decision_engine/tests/data/sample_audit.csv b/decision_engine/tests/data/sample_audit.csv
new file mode 100644
index 0000000..03604b8
--- /dev/null
+++ b/decision_engine/tests/data/sample_audit.csv
@@ -0,0 +1,8 @@
+run_id,pinned,warn_rate,unknown_rate,unknown_class,prev_label
+run_001,True,0.02,0.00,none,PASS
+run_002,False,0.05,0.01,none,PASS
+run_003,False,0.12,0.04,schema_violation,WARN
+run_004,True,0.20,0.10,data_mismatch,FAIL
+run_005,False,0.09,0.02,none,WARN
+run_006,True,0.15,0.06,data_missing,FAIL
+run_007,False,0.03,0.00,none,PASS
\ No newline at end of file