pub fn mock_instance_with_failing_api(
wasm: &[u8],
contract_balance: &[Coin],
backend_error: &'static str,
) -> Instance<MockApi, MockStorage, MockQuerier>
pub fn mock_instance_with_failing_api(
wasm: &[u8],
contract_balance: &[Coin],
backend_error: &'static str,
) -> Instance<MockApi, MockStorage, MockQuerier>