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

tests/tools/nodes/test_boundary_depth.py

@@ -137,7 +137,7 @@ def test_plane_validity_hole_blurs_depth_and_protects_rectangle():
 
 
 @pytest.mark.parametrize("region", ["seam", "pole"])
-def test_panorama_blurs_opening_radially_and_keeps_invalid_distance(region):
+def test_panorama_blurs_opening_radially(region):
     from tests.tools.nodes.test_image_depth_panorama import panorama, evaluated as panorama_mesh
 
     yy, xx = np.mgrid[:64, :128]
@@ -162,21 +162,3 @@ def test_panorama_blurs_opening_radially_and_keeps_invalid_distance(region):
     np.testing.assert_allclose(after[interior] / smoothed[interior, None],
                                before[interior] / radii[interior, None], atol=1e-6)
     np.testing.assert_array_equal(after[interior], before[interior])
-    set_value("Depth Mask", False)
-    near = panorama_mesh(obj)[0]
-    set_value("Invalid Distance", 250)
-    far, far_faces, _ = panorama_mesh(obj)
-    valid = np.linalg.norm(near, axis=1) < 50
-    assert valid.any() and (~valid).any()
-    np.testing.assert_array_equal(far[valid], near[valid])
-    # The smoothed rim blends into its neighbours, so only the interior keeps the exact distance.
-    far_band = edge_band(far_faces, boundary_neighbors(far_faces))
-    kept = [i for i in range(len(far)) if i not in far_band and not valid[i]]
-    assert kept
-    np.testing.assert_allclose(np.linalg.norm(far[kept], axis=1), 250, atol=5e-5)
-    set_value("Depth Scale", 0)
-    sphere, sphere_faces, _ = panorama_mesh(obj)
-    sphere_band = edge_band(sphere_faces, boundary_neighbors(sphere_faces))
-    interior = [i for i in range(len(sphere)) if i not in sphere_band]
-    assert interior
-    np.testing.assert_allclose(np.linalg.norm(sphere[interior], axis=1), 1, atol=1e-6)