diff --git a/metrics_reporting/tests/data/sample_run.json b/metrics_reporting/tests/data/sample_run.json
new file mode 100644
index 0000000..f369ff3
--- /dev/null
+++ b/metrics_reporting/tests/data/sample_run.json
@@ -0,0 +1,6 @@
+{
+  "run_number": 4,
+  "warn_rate": 0.12,
+  "unknown_rate": 0.03,
+  "unpin_delta_t": -0.05
+}
\ No newline at end of file