def METHOD_NAME():
    def fake__init__(self, **kwargs):
        self.oauth = OAuthTokens(access_token_expires_in_seconds=100)
        self.oauth._access_token_received_datetime = datetime.utcnow() - timedelta(seconds=10)
    with mock.patch.object(source_bing_ads.client.Client, "__init__", fake__init__):
        client = source_bing_ads.client.Client()
        assert client.is_token_expiring() is False