diff --git a/sensor_logging/tests/data/sample_sensor_data.json b/sensor_logging/tests/data/sample_sensor_data.json
new file mode 100644
index 0000000..c0216f7
--- /dev/null
+++ b/sensor_logging/tests/data/sample_sensor_data.json
@@ -0,0 +1,32 @@
+[
+  {
+    "timestamp": "2024-05-10T14:20:35Z",
+    "voltage": 1234.56,
+    "temperature": 22.4,
+    "humidity": 45.2
+  },
+  {
+    "timestamp": "2024-05-10T14:21:05Z",
+    "voltage": 1235.12,
+    "temperature": 22.5,
+    "humidity": 45.4
+  },
+  {
+    "timestamp": "2024-05-10T14:21:35Z",
+    "voltage": 1234.89,
+    "temperature": 22.6,
+    "humidity": 45.3
+  },
+  {
+    "timestamp": "2024-05-10T14:22:05Z",
+    "voltage": 1235.07,
+    "temperature": 22.6,
+    "humidity": 45.5
+  },
+  {
+    "timestamp": "2024-05-10T14:22:35Z",
+    "voltage": 1234.74,
+    "temperature": 22.7,
+    "humidity": 45.6
+  }
+]
\ No newline at end of file