diff --git a/data_analysis_script/tests/data/test_measurements.csv b/data_analysis_script/tests/data/test_measurements.csv
new file mode 100644
index 0000000..9de9471
--- /dev/null
+++ b/data_analysis_script/tests/data/test_measurements.csv
@@ -0,0 +1,10 @@
+condition_name,amplitude,timestamp
+Spacer_A,0.12,0.001
+Spacer_A,0.15,0.002
+Spacer_A,0.11,0.003
+Spacer_B,0.30,0.001
+Spacer_B,0.45,0.002
+Spacer_B,0.28,0.003
+Spacer_C,0.09,0.001
+Spacer_C,0.08,0.002
+Spacer_C,0.10,0.003