diff --git a/laser_echo_analysis/tests/data/test_laser_measurements.csv b/laser_echo_analysis/tests/data/test_laser_measurements.csv
new file mode 100644
index 0000000..9ac81aa
--- /dev/null
+++ b/laser_echo_analysis/tests/data/test_laser_measurements.csv
@@ -0,0 +1,10 @@
+timestamp,pixel_value,delta_t
+2024-05-01T00:00:00Z,100,0.05
+2024-05-01T00:00:01Z,102,0.04
+2024-05-01T00:00:02Z,98,0.06
+2024-05-01T00:00:03Z,105,0.05
+2024-05-01T00:00:04Z,250,0.03
+2024-05-01T00:00:05Z,107,0.05
+2024-05-01T00:00:06Z,101,0.04
+2024-05-01T00:00:07Z,99,0.06
+2024-05-01T00:00:08Z,103,0.05
\ No newline at end of file