diff --git a/tests/test_trivial.py b/tests/test_trivial.py
index d9035751..7661dbea 100644
--- a/tests/test_trivial.py
+++ b/tests/test_trivial.py
@@ -1,7 +1,15 @@
 import numpy as np
+import pytest
 from regional_mom6 import angle_between
 
 
 # placeholder trivial test test
-def test_angle_between():
-    assert np.isclose(angle_between([1, 0, 0], [0, 1, 0], [0, 0, 1]), np.pi / 2)
+@pytest.mark.parametrize(
+    ("v1", "v2", "v3", "true_angle"),
+    [
+        ([1, 0, 0], [0, 1, 0], [0, 0, 1], np.pi / 2),
+        ([1, 0, 0], [1, 1, 0], [0, 1, 1], np.pi / 4),
+    ],
+)
+def test_angle_between(v1, v2, v3, true_angle):
+    assert np.isclose(angle_between(v1, v2, v3), true_angle)