diff --git a/artifact.1/tests/data/test_ab_input.json b/artifact.1/tests/data/test_ab_input.json
new file mode 100644
index 0000000..ca6a570
--- /dev/null
+++ b/artifact.1/tests/data/test_ab_input.json
@@ -0,0 +1,30 @@
+[
+  {
+    "group": "A",
+    "pinned_status": "pinned",
+    "warn_rate": 0.02,
+    "unknown_rate": 0.01,
+    "delta_t_rate": 0.05
+  },
+  {
+    "group": "A",
+    "pinned_status": "unpinned",
+    "warn_rate": 0.03,
+    "unknown_rate": 0.015,
+    "delta_t_rate": 0.06
+  },
+  {
+    "group": "B",
+    "pinned_status": "pinned",
+    "warn_rate": 0.025,
+    "unknown_rate": 0.009,
+    "delta_t_rate": 0.045
+  },
+  {
+    "group": "B",
+    "pinned_status": "unpinned",
+    "warn_rate": 0.028,
+    "unknown_rate": 0.012,
+    "delta_t_rate": 0.052
+  }
+]
\ No newline at end of file