def test_LabelledPointUndirectedGraph_remove_label():
lgroup = LabelledPointUndirectedGraph(points, adjacency_matrix, mask_dict_3)
new_lgroup = lgroup.remove_label('lower')
assert 'all' in new_lgroup.labels
assert 'lower' not in new_lgroup.labels
assert 'all' in lgroup.labels
def test_LabelledPointUndirectedGraph_remove_label_unlabelled():
lgroup = LabelledPointUndirectedGraph(points, adjacency_matrix, mask_dict_2)
lgroup.remove_label('lower')
def test_LabelledPointUndirectedGraph_remove_label_unlabelled():
lgroup = LabelledPointUndirectedGraph(points, adjacency_matrix, mask_dict_2)
with raises(ValueError):
lgroup.remove_label("lower")
