def METHOD_NAME(self):
    argv = ['format_converter', 'afrl', 'junk.b8.ugrid', 'stl', 'cart3d.stl']
    with self.assertRaises(NotImplementedError):
        cmd_line_format_converter(argv=argv, quiet=True)
    argv = ['format_converter', 'ugrid', 'junk.b8.ugrid', 'abaqus', 'cart3d.stl']
    with self.assertRaises(AssertionError):
        cmd_line_format_converter(argv=argv, quiet=True)