diff --git a/data_analysis_script/tests/data/test_run_logs.csv b/data_analysis_script/tests/data/test_run_logs.csv
new file mode 100644
index 0000000..0d12ab2
--- /dev/null
+++ b/data_analysis_script/tests/data/test_run_logs.csv
@@ -0,0 +1,7 @@
+worker_start_offset,expires_at_dist_hours,retry_total_overhead_ms
+0.0,10.0,5.2
+1.0,9.8,4.9
+2.0,9.5,6.1
+3.0,8.9,5.8
+4.0,8.2,7.0
+5.0,7.6,8.5