diff --git a/test_python/test_math3d.py b/test_python/test_math3d.py
index e4aee7044a..ef8ba655ad 100644
--- a/test_python/test_math3d.py
+++ b/test_python/test_math3d.py
@@ -3,7 +3,13 @@
 import numpy as np
 import cffirmware
 
-def test_conversion_to_numpy():
+def test_that_vec_is_converted_to_numpy_array():
+    # Fixture
     v_cf = cffirmware.mkvec(1, 2, 3)
-    v_np = np.array(v_cf)
-    assert np.allclose(v_np, np.array([1,2,3]))
+
+    # Test
+    actual = np.array(v_cf)
+
+    # Assert
+    expected = np.array([1, 2, 3])
+    assert np.allclose(expected, actual)