fix order in spline tests

Author: GiovanniCanali

tests/test_model/test_spline.py

@@ -7,7 +7,7 @@
 
 
 # Utility quantities for testing
-order = torch.randint(1, 8, (1,)).item()
+order = torch.randint(3, 6, (1,)).item()
 n_ctrl_pts = torch.randint(order, order + 5, (1,)).item()
 n_knots = order + n_ctrl_pts
 

tests/test_model/test_spline_surface.py

@@ -7,7 +7,7 @@
 
 
 # Utility quantities for testing
-orders = [random.randint(1, 8) for _ in range(2)]
+orders = [random.randint(3, 6) for _ in range(2)]
 n_ctrl_pts = random.randint(max(orders), max(orders) + 5)
 n_knots = [orders[i] + n_ctrl_pts for i in range(2)]