def test_get_storage_utilization():
    assert float(get_storage_utilization()) > 0.0
def test_get_storage_utilization(monitoring_v3_query):
    iter_mock = monitoring_v3_query.Query().select_resources().iter
    iter_mock.return_value = iter([Mock(points=[Mock(value=Mock(double_value=1.0))])])
    assert float(get_storage_utilization(BIGTABLE_INSTANCE, BIGTABLE_INSTANCE)) > 0.0