diff --git a/metrics_reporting/tests/data/sample_logs.json b/metrics_reporting/tests/data/sample_logs.json
new file mode 100644
index 0000000..9be3f02
--- /dev/null
+++ b/metrics_reporting/tests/data/sample_logs.json
@@ -0,0 +1,42 @@
+[
+  {
+    "timestamp": "2024-05-01T12:00:00Z",
+    "event": "INFO",
+    "duration_ms": 20.5
+  },
+  {
+    "timestamp": "2024-05-01T12:00:01Z",
+    "event": "WARN",
+    "duration_ms": 35.2
+  },
+  {
+    "timestamp": "2024-05-01T12:00:02Z",
+    "event": "INFO",
+    "duration_ms": 18.9
+  },
+  {
+    "timestamp": "2024-05-01T12:00:03Z",
+    "event": "WARN",
+    "duration_ms": 32.1
+  },
+  {
+    "timestamp": "2024-05-01T12:00:04Z",
+    "event": "INFO",
+    "duration_ms": 19.8
+  },
+  {
+    "timestamp": "2024-05-01T12:00:05Z",
+    "event": "INFO",
+    "duration_ms": 22.0
+  },
+  {
+    "timestamp": "2024-05-01T12:00:06Z",
+    "event": "WARN",
+    "duration_ms": 40.3
+  },
+  {
+    "timestamp": "2024-05-01T12:00:07Z",
+    "event": "INFO",
+    "duration_ms": 21.1
+  }
+]
\ No newline at end of file