Refactor depth-related tests and improve parameter handling in image cutout symmetry

tests/tools/nodes/test_boundary_smoothing.py

@@ -16,7 +16,6 @@ def pinned_group(
     iterations=1,
     region=1.0,
     weight=1.0,
-    movement=None,
     pin_boundary=True,
     pin_sharp=True,
 ):
@@ -39,7 +38,6 @@ def pinned_group(
         control.outputs["Smooth"],
         region_value.outputs[0],
         weight=weight,
-        movement=movement,
         pin_boundary=pin_boundary,
         pin_sharp=pin_sharp,
     )
@@ -396,16 +394,3 @@ def test_junction_band_keeps_the_sharpness_weight():
     assert flat_step > 1e-3
     assert creased_step < flat_step * 0.99
 
-
-def test_movement_mask_keeps_the_symmetry_plane():
-    """Restricting the movement leaves the masked axis untouched."""
-    points, faces = grid(4)
-    # 网格落在 XZ 对称平面上，Y 是只允许被松开的对称轴。
-    points = [(x, z, y) for x, y, z in points]
-    points[5] = (2.0, 0.5, 1.0)
-    original = np.array(points)
-    masked = pinned_result(points, faces, movement=(1, 0, 1))
-    np.testing.assert_array_equal(masked[:, 1], original[:, 1])
-    assert np.max(np.abs(masked[:, 0] - original[:, 0])) > 1e-4
-    full = pinned_result(points, faces)
-    assert np.max(np.abs(full[:, 1] - original[:, 1])) > 1e-4