def METHOD_NAME():
    from vispy.visuals.graphs.layouts.random import random
    # Simple retrieval
    assert_equal(random, get_layout('random'))
    # Pass arguments
    fruchterman_reingold = get_layout('force_directed', iterations=100)
    assert_equal(fruchterman_reingold.iterations, 100)
    # Check if layout exists
    assert_raises(KeyError, get_layout, 'fdgdfgs_non_existent')