diff --git a/bandwidth_analysis/tests/data/baseline_example.json b/bandwidth_analysis/tests/data/baseline_example.json
new file mode 100644
index 0000000..d1508b9
--- /dev/null
+++ b/bandwidth_analysis/tests/data/baseline_example.json
@@ -0,0 +1,9 @@
+{
+  "bandwidth": [100.0, 102.5, 98.7, 101.2],
+  "retry_tail_p99": [0.02, 0.03, 0.025, 0.028],
+  "segments": [
+    {"name": "pinned", "throughput": 120.5},
+    {"name": "unpinned", "throughput": 115.2},
+    {"name": "mixed", "throughput": 118.7}
+  ]
+}
\ No newline at end of file