diff --git a/sanity_check_tool/tests/data/sample_run_summary.json b/sanity_check_tool/tests/data/sample_run_summary.json
new file mode 100644
index 0000000..4e5d80f
--- /dev/null
+++ b/sanity_check_tool/tests/data/sample_run_summary.json
@@ -0,0 +1,40 @@
+{
+  "run_id": "example_001",
+  "kernel_events": [
+    {
+      "event": "write_pre",
+      "corr_id": 101,
+      "timestamp": 1701000000,
+      "field_a": "alpha"
+    },
+    {
+      "event": "write_post",
+      "corr_id": 101,
+      "timestamp": 1701000001,
+      "field_a": "alpha"
+    },
+    {
+      "event": "write_pre",
+      "corr_id": 102,
+      "timestamp": 1701000002,
+      "field_a": "beta"
+    },
+    {
+      "event": "read",
+      "corr_id": 102,
+      "timestamp": 1701000003,
+      "field_a": "beta"
+    },
+    {
+      "event": "write_pre",
+      "corr_id": 103,
+      "timestamp": 1701000004,
+      "field_a": null
+    }
+  ],
+  "metadata": {
+    "source": "kernel_trace_collector",
+    "version": "1.0",
+    "created_at": "2024-05-15T10:00:00Z"
+  }
+}
\ No newline at end of file