comment added: this commit adds comments to  in .
@@ -159,6 +159,8 @@ def test_compute_damping_forces_torques():
_compute_damping_forces
_compute_damping_torques
"""
+ # This is an artificial test, this part exists just to
+ # keep our coverage percentage.
n_elem = 10
start = np.array([0.0, 0.0, 0.0])
direction = np.array([0.0, 0.0, 1.0])
