message: Fix integration test compile errors
diff: //! 4. Anywhere you see query(&deps, ...) you must replace it with query(&mut deps, ...)
  use cosmwasm_std::{
  - ContractResult, CosmosMsg, HumanAddr, IbcChannel, IbcEndpoint, IbcOrder, InitResponse, WasmMsg,
  + ContractResult, CosmosMsg, HandleResponse, HumanAddr, IbcBasicResponse, IbcChannel,
  + IbcEndpoint, IbcOrder, InitResponse, WasmMsg,
  };
  use cosmwasm_vm::testing::{
  handle, ibc_channel_connect, ibc_channel_open, init, mock_env, mock_info, mock_instance, query,
  @@ -47,7 +48,7 @@ fn setup() -> Instance<MockApi, MockStorage, MockQuerier> {
  reflect_code_id: REFLECT_ID,
  };
  let info = mock_info(CREATOR, &[]);
  - let res = init(&mut deps, mock_env(), info, msg).unwrap();
  + let res: InitResponse = init(&mut deps, mock_env(), info, msg).unwrap();
  assert_eq!(0, res.messages.len());
  deps
  }
  @@ -111,7 +112,8 @@ fn proper_handshake_flow() {
  // then we connect (with counter-party version set)
  valid_handshake.counterparty_version = Some(IBC_VERSION.to_string());
  - let res = ibc_channel_connect(&mut deps, mock_env(), valid_handshake.clone()).unwrap();
  + let res: IbcBasicResponse =
  + ibc_channel_connect(&mut deps, mock_env(), valid_handshake.clone()).unwrap();
  // and set up a reflect account
  assert_eq!(1, res.messages.len());
  let our_channel = valid_handshake.endpoint.channel_id.clone();
  @@ -143,7 +145,7 @@ fn proper_handshake_flow() {
  contract_addr: REFLECT_ADDR.into(),
  };
  let info = mock_info(REFLECT_ADDR, &[]);
  - let res = handle(&mut deps, mock_env(), info, handle_msg).unwrap();
  + let res: HandleResponse = handle(&mut deps, mock_env(), info, handle_msg).unwrap();
  assert_eq!(0, res.messages.len());
  // ensure this is now registered
  