def skip_backends(backends):
backends = set(utils.listify(backends))<EOL>def decorator(func):<EOL><INDENT>@six.wraps(func)<EOL>def wrapper(*args, **kwargs):<EOL><INDENT>if K.backend() in backends:<EOL><INDENT>return<EOL><DEDENT>func(*args, **kwargs)<EOL><DEDENT>return wrapper<EOL><DEDENT>return decorator<EOL>
Function wrapper to specify which backends should skip the test.

    Args:
        backends: The list of backends to skip.

    Returns:
        A function wrapping the input function.