diff --git a/logger_script/tests/data/sample_log.json b/logger_script/tests/data/sample_log.json
new file mode 100644
index 0000000..e833544
--- /dev/null
+++ b/logger_script/tests/data/sample_log.json
@@ -0,0 +1,22 @@
+[
+  {
+    "timestamp": "2024-06-10T12:00:00Z",
+    "intensity": 1523.4
+  },
+  {
+    "timestamp": "2024-06-10T12:00:01Z",
+    "intensity": 1522.9
+  },
+  {
+    "timestamp": "2024-06-10T12:00:02Z",
+    "intensity": 1524.1
+  },
+  {
+    "timestamp": "2024-06-10T12:00:03Z",
+    "intensity": 1523.7
+  },
+  {
+    "timestamp": "2024-06-10T12:00:04Z",
+    "intensity": 1524.0
+  }
+]
\ No newline at end of file