message: Add update_wasm to MockQuerier in VM
diff: @@ -15,7 +15,6 @@ const GAS_COST_QUERY_REQUEST_MULTIPLIER: u64 = 0;
  const GAS_COST_QUERY_RESPONSE_MULTIPLIER: u64 = 100;
  /// MockQuerier holds an immutable table of bank balances
  -/// TODO: also allow querying contracts
  pub struct MockQuerier<C: CustomQuery + DeserializeOwned = Empty> {
  querier: StdMockQuerier<C>,
  }
  @@ -46,6 +45,13 @@ impl<C: CustomQuery + DeserializeOwned> MockQuerier<C> {
  self.querier.update_staking(denom, validators, delegations);
  }
  + pub fn update_wasm<WH: 'static>(&mut self, handler: WH)
  + where
  + WH: Fn(&cosmwasm_std::WasmQuery) -> cosmwasm_std::QuerierResult,
  + {
  + self.querier.update_wasm(handler)
  + }
  +
  pub fn with_custom_handler<CH: 'static>(mut self, handler: CH) -> Self
  where
  CH: Fn(&C) -> MockQuerierCustomHandlerResult,
  