change acutator data uses to fixure

tests/conftest.py

@@ -1,6 +1,7 @@
 import os
 from typing import Any
 
+import numpy as np
 import pandas as pd
 import pytest
 
@@ -147,3 +148,13 @@ def raw_data_pivoted() -> pd.DataFrame:
         columns=data.split("\n")[0].split(","),
     )  # type: ignore
     return df.apply(pd.to_numeric, errors="coerce")  # type: ignore
+
+
+@pytest.fixture
+def actuator_data(
+    request: tuple[str, str],
+) -> tuple[np.typing.NDArray[np.float64], np.typing.NDArray[np.float64]]:
+    input_path, output_path = request.param
+    data = np.loadtxt(input_path, delimiter=",")
+    expected_output = np.loadtxt(output_path, delimiter=",")
+    return data, expected_output

tests/script_test.py

@@ -5,16 +5,18 @@
 
 
 @pytest.mark.parametrize(
-    ["input_path", "output_path"],
+    "actuator_data",
     [
         ["tests/data/8_actuator_data.txt", "tests/data/8_actuator_output.txt"],
         ["tests/data/16_actuator_data.txt", "tests/data/16_actuator_output.txt"],
     ],
+    indirect=True,
 )
-def test_find_voltages_correct_output(input_path: str, output_path: str):
-    data = np.loadtxt(input_path, delimiter=",")
+def test_find_voltages_correct_output(
+    actuator_data: tuple[np.typing.NDArray[np.float64], np.typing.NDArray[np.float64]],
+):
+    data, expected_output = actuator_data
     v = -100
-    expected_output = np.loadtxt(output_path, delimiter=",")
     np.testing.assert_almost_equal(
         find_voltages(data, v, baseline_voltage_scan=-1), expected_output
     )